131323132 has 12 divisors (see below), whose sum is σ = 230829480. Its totient is φ = 65371856.

The previous prime is 131323111. The next prime is 131323141. The reversal of 131323132 is 231323131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71407 + ... + 73222.

It is an arithmetic number, because the mean of its divisors is an integer number (19235790).

Almost surely, 2^131323132 is an apocalyptic number.

It is an amenable number.

131323132 is a deficient number, since it is larger than the sum of its proper divisors (99506348).

131323132 is a wasteful number, since it uses less digits than its factorization.

131323132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144860 (or 144858 counting only the distinct ones).

The product of its digits is 324, while the sum is 19.

The square root of 131323132 is about 11459.6305350565. The cubic root of 131323132 is about 508.2925495782.

Adding to 131323132 its reverse (231323131), we get a palindrome (362646263).

Subtracting 131323132 from its reverse (231323131), we obtain a palindrome (99999999).

The spelling of 131323132 in words is "one hundred thirty-one million, three hundred twenty-three thousand, one hundred thirty-two".