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1020031013130 = 235313073572663
BaseRepresentation
bin11101101011111101001…
…01100001000100001010
310121111212201022022202020
432311332211201010022
5113203010414410010
62100332404345310
7133460214361143
oct16657645410412
93544781268666
101020031013130
11363657a075a8
121458323a5236
137525b21162c
14375268c2aca
151b8000ab470
hexed7e96110a

1020031013130 has 64 divisors (see below), whose sum is σ = 2535276699648. Its totient is φ = 262376297280.

The previous prime is 1020031013087. The next prime is 1020031013137. The reversal of 1020031013130 is 313101300201.

1020031013130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1020031013137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1500822 + ... + 2071841.

It is an arithmetic number, because the mean of its divisors is an integer number (39613698432).

Almost surely, 21020031013130 is an apocalyptic number.

1020031013130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020031013130 is an abundant number, since it is smaller than the sum of its proper divisors (1515245686518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020031013130 is a wasteful number, since it uses less digits than its factorization.

1020031013130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3573011.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 1020031013130 its reverse (313101300201), we get a palindrome (1333132313331).

The spelling of 1020031013130 in words is "one trillion, twenty billion, thirty-one million, thirteen thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 307 310 465 614 921 930 1535 1842 3070 4605 9210 9517 19034 28551 47585 57102 95170 142755 285510 3572663 7145326 10717989 17863315 21435978 35726630 53589945 107179890 110752553 221505106 332257659 553762765 664515318 1096807541 1107525530 1661288295 2193615082 3290422623 3322576590 5484037705 6580845246 10968075410 16452113115 32904226230 34001033771 68002067542 102003101313 170005168855 204006202626 340010337710 510015506565 1020031013130