231012001011 has 48 divisors (see below), whose sum is σ = 357671686400. Its totient is φ = 132158537280.

The previous prime is 231012000977. The next prime is 231012001019. The reversal of 231012001011 is 110100210132.

It is not a de Polignac number, because 231012001011 - 2³⁷ = 93573047539 is a prime.

It is a super-2 number, since 2×231012001011² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231012001019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1850010 + ... + 1970928.

Almost surely, 2^231012001011 is an apocalyptic number.

231012001011 is a deficient number, since it is larger than the sum of its proper divisors (126659685389).

231012001011 is a wasteful number, since it uses less digits than its factorization.

231012001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121240 (or 121229 counting only the distinct ones).

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

Adding to 231012001011 its reverse (110100210132), we get a palindrome (341112211143).

The spelling of 231012001011 in words is "two hundred thirty-one billion, twelve million, one thousand, eleven".