230011131 has 16 divisors (see below), whose sum is σ = 368940800. Its totient is φ = 124517088.

The previous prime is 230011127. The next prime is 230011147. The reversal of 230011131 is 131110032.

It is not a de Polignac number, because 230011131 - 2² = 230011127 is a prime.

It is a super-2 number, since 2×230011131² = 105810240767798322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230011231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287836 + ... + 288633.

It is an arithmetic number, because the mean of its divisors is an integer number (23058800).

Almost surely, 2^230011131 is an apocalyptic number.

230011131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

230011131 is a deficient number, since it is larger than the sum of its proper divisors (138929669).

230011131 is a wasteful number, since it uses less digits than its factorization.

230011131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576498.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 230011131 is about 15166.1178618656. The cubic root of 230011131 is about 612.7024512489.

Adding to 230011131 its reverse (131110032), we get a palindrome (361121163).

It can be divided in two parts, 2300 and 11131, that added together give a palindrome (13431).

The spelling of 230011131 in words is "two hundred thirty million, eleven thousand, one hundred thirty-one".