131000322 has 16 divisors (see below), whose sum is σ = 262164672. Its totient is φ = 43639440.

The previous prime is 131000321. The next prime is 131000357. The reversal of 131000322 is 223000131.

It is a happy number.

It is a super-2 number, since 2×131000322² = 34322168728207368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131000298 and 131000307.

It is not an unprimeable number, because it can be changed into a prime (131000321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5172 + ... + 16992.

It is an arithmetic number, because the mean of its divisors is an integer number (16385292).

Almost surely, 2^131000322 is an apocalyptic number.

131000322 is an abundant number, since it is smaller than the sum of its proper divisors (131164350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131000322 is a wasteful number, since it uses less digits than its factorization.

131000322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13673.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 131000322 is about 11445.5372088863. The cubic root of 131000322 is about 507.8757239347.

Adding to 131000322 its reverse (223000131), we get a palindrome (354000453).

The spelling of 131000322 in words is "one hundred thirty-one million, three hundred twenty-two", and thus it is an aban number.