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202110023232031 = 1012001089338931
BaseRepresentation
bin101101111101000101101000…
…001000111110101000011111
3222111121112022000121012021011
4231331011220020332220133
5202442332311421411111
61553504021330120051
760366652534003105
oct5575055010765037
9874545260535234
10202110023232031
115944241a131872
121a802339a20027
1388a0b7ca956c5
1437ca26a7c3c75
15185752b203021
hexb7d16823ea1f

202110023232031 has 4 divisors (see below), whose sum is σ = 204111112571064. Its totient is φ = 200108933893000.

The previous prime is 202110023232011. The next prime is 202110023232049. The reversal of 202110023232031 is 130232320011202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202110023232031 - 225 = 202109989677599 is a prime.

It is a super-2 number, since 2×2021100232320312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202110023231993 and 202110023232011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202110023232011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000544669365 + ... + 1000544669566.

It is an arithmetic number, because the mean of its divisors is an integer number (51027778142766).

Almost surely, 2202110023232031 is an apocalyptic number.

202110023232031 is a deficient number, since it is larger than the sum of its proper divisors (2001089339033).

202110023232031 is a wasteful number, since it uses less digits than its factorization.

202110023232031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001089339032.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 202110023232031 its reverse (130232320011202), we get a palindrome (332342343243233).

The spelling of 202110023232031 in words is "two hundred two trillion, one hundred ten billion, twenty-three million, two hundred thirty-two thousand, thirty-one".

Divisors: 1 101 2001089338931 202110023232031