231301220010 has 64 divisors (see below), whose sum is σ = 634977107712. Its totient is φ = 52822941696.

The previous prime is 231301219997. The next prime is 231301220047. The reversal of 231301220010 is 10022103132.

It is a super-2 number, since 2×231301220010² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235509 + ... + 719768.

It is an arithmetic number, because the mean of its divisors is an integer number (9921517308).

Almost surely, 2^231301220010 is an apocalyptic number.

231301220010 is an abundant number, since it is smaller than the sum of its proper divisors (403675887702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231301220010 is a wasteful number, since it uses less digits than its factorization.

231301220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956447.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 231301220010 its reverse (10022103132), we get a palindrome (241323323142).

The spelling of 231301220010 in words is "two hundred thirty-one billion, three hundred one million, two hundred twenty thousand, ten".