131312022 has 16 divisors (see below), whose sum is σ = 265175040. Its totient is φ = 43345512.

The previous prime is 131312011. The next prime is 131312033. The reversal of 131312022 is 220213131.

It is an interprime number because it is at equal distance from previous prime (131312011) and next prime (131312033).

It is a junction number, because it is equal to n+sod(n) for n = 131311992 and 131312010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105622 + ... + 106857.

It is an arithmetic number, because the mean of its divisors is an integer number (16573440).

Almost surely, 2^131312022 is an apocalyptic number.

131312022 is an abundant number, since it is smaller than the sum of its proper divisors (133863018).

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

131312022 is a wasteful number, since it uses less digits than its factorization.

131312022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212587.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 131312022 is about 11459.1457796818. The cubic root of 131312022 is about 508.2782152427.

Adding to 131312022 its reverse (220213131), we get a palindrome (351525153).

The spelling of 131312022 in words is "one hundred thirty-one million, three hundred twelve thousand, twenty-two".