32220013131 has 24 divisors (see below), whose sum is σ = 47020628304. Its totient is φ = 21258369600.

The previous prime is 32220013123. The next prime is 32220013183. The reversal of 32220013131 is 13131002223.

32220013131 is a `hidden beast` number, since 322 + 200 + 13 + 131 = 666.

It is not a de Polignac number, because 32220013131 - 2³ = 32220013123 is a prime.

It is a super-2 number, since 2×32220013131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32220014131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2681920 + ... + 2693906.

It is an arithmetic number, because the mean of its divisors is an integer number (1959192846).

Almost surely, 2^32220013131 is an apocalyptic number.

32220013131 is a deficient number, since it is larger than the sum of its proper divisors (14800615173).

32220013131 is a wasteful number, since it uses less digits than its factorization.

32220013131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15051 (or 15048 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 32220013131 its reverse (13131002223), we get a palindrome (45351015354).

The spelling of 32220013131 in words is "thirty-two billion, two hundred twenty million, thirteen thousand, one hundred thirty-one".