131022311132 has 24 divisors (see below), whose sum is σ = 230620611312. Its totient is φ = 65130912000.

The previous prime is 131022311099. The next prime is 131022311143. The reversal of 131022311132 is 231113220131.

It is a happy number.

It is a super-2 number, since 2×131022311132² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2764628 + ... + 2811620.

It is an arithmetic number, because the mean of its divisors is an integer number (9609192138).

Almost surely, 2^131022311132 is an apocalyptic number.

It is an amenable number.

131022311132 is a deficient number, since it is larger than the sum of its proper divisors (99598300180).

131022311132 is a wasteful number, since it uses less digits than its factorization.

131022311132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51029 (or 51027 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131022311132 its reverse (231113220131), we get a palindrome (362135531263).

The spelling of 131022311132 in words is "one hundred thirty-one billion, twenty-two million, three hundred eleven thousand, one hundred thirty-two".