22131311010 has 32 divisors (see below), whose sum is σ = 53134099200. Its totient is φ = 5899577088.

The previous prime is 22131310963. The next prime is 22131311039. The reversal of 22131311010 is 1011313122.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45210 + ... + 215189.

It is an arithmetic number, because the mean of its divisors is an integer number (1660440600).

Almost surely, 2^22131311010 is an apocalyptic number.

22131311010 is an abundant number, since it is smaller than the sum of its proper divisors (31002788190).

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

22131311010 is a wasteful number, since it uses less digits than its factorization.

22131311010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263242.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 22131311010 its reverse (1011313122), we get a palindrome (23142624132).

The spelling of 22131311010 in words is "twenty-two billion, one hundred thirty-one million, three hundred eleven thousand, ten".