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1031320100230 = 25731475262719
BaseRepresentation
bin11110000000111110111…
…01111101110110000110
310122121000110201100221021
433000133131331312012
5113344120421201410
62105440520541354
7134340034132420
oct17003735756606
93577013640837
101031320100230
11368420345852
12147a6302185a
1376339cb5824
1437cb7d25810
151bc61200eda
hexf01f77dd86

1031320100230 has 32 divisors (see below), whose sum is σ = 2190010613760. Its totient is φ = 342189156960.

The previous prime is 1031320100219. The next prime is 1031320100249. The reversal of 1031320100230 is 320010231301.

It is a super-2 number, since 2×10313201002302 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237629190 + ... + 237633529.

It is an arithmetic number, because the mean of its divisors is an integer number (68437831680).

Almost surely, 21031320100230 is an apocalyptic number.

1031320100230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031320100230 is an abundant number, since it is smaller than the sum of its proper divisors (1158690513530).

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

1031320100230 is a wasteful number, since it uses less digits than its factorization.

1031320100230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475262764.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1031320100230 its reverse (320010231301), we get a palindrome (1351330331531).

The spelling of 1031320100230 in words is "one trillion, thirty-one billion, three hundred twenty million, one hundred thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 31 35 62 70 155 217 310 434 1085 2170 475262719 950525438 2376313595 3326839033 4752627190 6653678066 14733144289 16634195165 29466288578 33268390330 73665721445 103132010023 147331442890 206264020046 515660050115 1031320100230