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131103445023140 = 22522425129231407
BaseRepresentation
bin11101110011110011100110…
…010001001111100110100100
3122012012100220111111100211012
4131303303212101033212210
5114140444323411220030
61142500031410201352
736420624404512322
oct3563634621174644
9565170814440735
10131103445023140
1138856727946087
1212854886583258
135820003cbb295
142453624dd2d12
15102547c6e7095
hex773ce644f9a4

131103445023140 has 24 divisors (see below), whose sum is σ = 275318471686272. Its totient is φ = 52441142364000.

The previous prime is 131103445023119. The next prime is 131103445023163. The reversal of 131103445023140 is 41320544301131.

It is a super-2 number, since 2×1311034450231402 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131103445023097 and 131103445023106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10130684 + ... + 19100723.

It is an arithmetic number, because the mean of its divisors is an integer number (11471602986928).

Almost surely, 2131103445023140 is an apocalyptic number.

131103445023140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131103445023140 is an abundant number, since it is smaller than the sum of its proper divisors (144215026663132).

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

131103445023140 is a wasteful number, since it uses less digits than its factorization.

131103445023140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29455667 (or 29455665 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 131103445023140 its reverse (41320544301131), we get a palindrome (172423989324271).

The spelling of 131103445023140 in words is "one hundred thirty-one trillion, one hundred three billion, four hundred forty-five million, twenty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 224251 448502 897004 1121255 2242510 4485020 29231407 58462814 116925628 146157035 292314070 584628140 6555172251157 13110344502314 26220689004628 32775861255785 65551722511570 131103445023140