131333332 has 48 divisors (see below), whose sum is σ = 255603600. Its totient is φ = 58659840.

The previous prime is 131333317. The next prime is 131333353. The reversal of 131333332 is 233333131.

It can be written as a sum of positive squares in 8 ways, for example, as 28026436 + 103306896 = 5294^2 + 10164^2 .

It is a congruent number.

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, 488094 + ... + 488362.

It is an arithmetic number, because the mean of its divisors is an integer number (5325075).

Almost surely, 2^131333332 is an apocalyptic number.

It is an amenable number.

131333332 is a deficient number, since it is larger than the sum of its proper divisors (124270268).

131333332 is a wasteful number, since it uses less digits than its factorization.

131333332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 554 counting only the distinct ones).

The product of its digits is 1458, while the sum is 22.

The square root of 131333332 is about 11460.0755669411. The cubic root of 131333332 is about 508.3057091023.

Adding to 131333332 its reverse (233333131), we get a palindrome (364666463).

The spelling of 131333332 in words is "one hundred thirty-one million, three hundred thirty-three thousand, three hundred thirty-two".