231020111010 has 64 divisors (see below), whose sum is σ = 601052578560. Its totient is φ = 56489875200.

The previous prime is 231020110999. The next prime is 231020111039. The reversal of 231020111010 is 10111020132.

It is a super-3 number, since 3×231020111010³ (a number of 35 digits) contains 333 as substring.

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, 1902565 + ... + 2020344.

It is an arithmetic number, because the mean of its divisors is an integer number (9391446540).

Almost surely, 2^231020111010 is an apocalyptic number.

231020111010 is an abundant number, since it is smaller than the sum of its proper divisors (370032467550).

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

231020111010 is a wasteful number, since it uses less digits than its factorization.

231020111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3923083.

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

Adding to 231020111010 its reverse (10111020132), we get a palindrome (241131131142).

The spelling of 231020111010 in words is "two hundred thirty-one billion, twenty million, one hundred eleven thousand, ten".