131322000231 has 24 divisors (see below), whose sum is σ = 200895939504. Its totient is φ = 82377388800.

The previous prime is 131322000223. The next prime is 131322000233. The reversal of 131322000231 is 132000223131.

It is not a de Polignac number, because 131322000231 - 2³ = 131322000223 is a prime.

It is a super-2 number, since 2×131322000231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131322000233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 513865 + ... + 725741.

It is an arithmetic number, because the mean of its divisors is an integer number (8370664146).

Almost surely, 2^131322000231 is an apocalyptic number.

131322000231 is a deficient number, since it is larger than the sum of its proper divisors (69573939273).

131322000231 is a wasteful number, since it uses less digits than its factorization.

131322000231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215951 (or 215948 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 131322000231 its reverse (132000223131), we get a palindrome (263322223362).

The spelling of 131322000231 in words is "one hundred thirty-one billion, three hundred twenty-two million, two hundred thirty-one", and thus it is an aban number.