131022212332 has 12 divisors (see below), whose sum is σ = 250133314536. Its totient is φ = 59555551040.

The previous prime is 131022212291. The next prime is 131022212339. The reversal of 131022212332 is 233212220131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (131022212339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1488888733 + ... + 1488888820.

It is an arithmetic number, because the mean of its divisors is an integer number (20844442878).

Almost surely, 2^131022212332 is an apocalyptic number.

It is an amenable number.

131022212332 is a deficient number, since it is larger than the sum of its proper divisors (119111102204).

131022212332 is a wasteful number, since it uses less digits than its factorization.

131022212332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2977777568 (or 2977777566 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 131022212332 its reverse (233212220131), we get a palindrome (364234432463).

The spelling of 131022212332 in words is "one hundred thirty-one billion, twenty-two million, two hundred twelve thousand, three hundred thirty-two".