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113102230231 = 5711451136511
BaseRepresentation
bin110100101010101101…
…0110001001011010111
3101210221021210121020001
41221111122301023113
53323113132331411
6123543005152131
711112531044314
oct1512532611327
9353837717201
10113102230231
1143a6a295651
1219b0585b647
13a8861260b3
14568d1dbd0b
152e1e631dc1
hex1a556b12d7

113102230231 has 8 divisors (see below), whose sum is σ = 113379222528. Its totient is φ = 112825515000.

The previous prime is 113102230229. The next prime is 113102230253. The reversal of 113102230231 is 132032201311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113102230231 - 21 = 113102230229 is a prime.

It is a super-2 number, since 2×1131022302312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113102230199 and 113102230208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113102230211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760266 + ... + 896776.

It is an arithmetic number, because the mean of its divisors is an integer number (14172402816).

Almost surely, 2113102230231 is an apocalyptic number.

113102230231 is a deficient number, since it is larger than the sum of its proper divisors (276992297).

113102230231 is a wasteful number, since it uses less digits than its factorization.

113102230231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138533.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 113102230231 its reverse (132032201311), we get a palindrome (245134431542).

The spelling of 113102230231 in words is "one hundred thirteen billion, one hundred two million, two hundred thirty thousand, two hundred thirty-one".

Divisors: 1 571 1451 136511 828521 77947781 198077461 113102230231