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1030131323020 = 225411279891793
BaseRepresentation
bin11101111110110001001…
…11001001000010001100
310122110221121211020011201
432333120213021002030
5113334202104314040
62105122533155244
7134265420525562
oct16773047110214
93573847736151
101030131323020
11367970304948
12147790a8bb24
13761aa920667
1437c040b7a32
151bbe1b80a9a
hexefd89c908c

1030131323020 has 48 divisors (see below), whose sum is σ = 2233487950848. Its totient is φ = 398837053440.

The previous prime is 1030131322999. The next prime is 1030131323027. The reversal of 1030131323020 is 203231310301.

1030131323020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10301313230202 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1030131323027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4841757 + ... + 5050036.

It is an arithmetic number, because the mean of its divisors is an integer number (46530998976).

Almost surely, 21030131323020 is an apocalyptic number.

1030131323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030131323020 is an abundant number, since it is smaller than the sum of its proper divisors (1203356627828).

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

1030131323020 is a wasteful number, since it uses less digits than its factorization.

1030131323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9891970 (or 9891968 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1030131323020 its reverse (203231310301), we get a palindrome (1233362633321).

The spelling of 1030131323020 in words is "one trillion, thirty billion, one hundred thirty-one million, three hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 41 82 127 164 205 254 410 508 635 820 1270 2540 5207 10414 20828 26035 52070 104140 9891793 19783586 39567172 49458965 98917930 197835860 405563513 811127026 1256257711 1622254052 2027817565 2512515422 4055635130 5025030844 6281288555 8111270260 12562577110 25125154220 51506566151 103013132302 206026264604 257532830755 515065661510 1030131323020