131262215 has 32 divisors (see below), whose sum is σ = 186900480. Its totient is φ = 86601600.

The previous prime is 131262169. The next prime is 131262217. The reversal of 131262215 is 512262131.

It is not a de Polignac number, because 131262215 - 2¹² = 131258119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131262217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337241 + ... + 337629.

It is an arithmetic number, because the mean of its divisors is an integer number (5840640).

Almost surely, 2^131262215 is an apocalyptic number.

131262215 is a deficient number, since it is larger than the sum of its proper divisors (55638265).

131262215 is a wasteful number, since it uses less digits than its factorization.

131262215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743.

The product of its digits is 720, while the sum is 23.

The square root of 131262215 is about 11456.9723312924. The cubic root of 131262215 is about 508.2139433552.

The spelling of 131262215 in words is "one hundred thirty-one million, two hundred sixty-two thousand, two hundred fifteen".