231113020203 has 40 divisors (see below), whose sum is σ = 371851810176. Its totient is φ = 142203600000.

The previous prime is 231113020199. The next prime is 231113020207. The reversal of 231113020203 is 302020311132.

231113020203 is a `hidden beast` number, since 2 + 311 + 130 + 20 + 203 = 666.

It is an interprime number because it is at equal distance from previous prime (231113020199) and next prime (231113020207).

It is not a de Polignac number, because 231113020203 - 2² = 231113020199 is a prime.

It is a super-2 number, since 2×231113020203² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231113020207) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12153703 + ... + 12172703.

Almost surely, 2^231113020203 is an apocalyptic number.

231113020203 is a deficient number, since it is larger than the sum of its proper divisors (140738789973).

231113020203 is a wasteful number, since it uses less digits than its factorization.

231113020203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30577 (or 30568 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 231113020203 its reverse (302020311132), we get a palindrome (533133331335).

The spelling of 231113020203 in words is "two hundred thirty-one billion, one hundred thirteen million, twenty thousand, two hundred three".