131044242 has 32 divisors (see below), whose sum is σ = 300240000. Its totient is φ = 37352448.

The previous prime is 131044231. The next prime is 131044259. The reversal of 131044242 is 242440131.

It is a super-2 number, since 2×131044242² = 34345186722709128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 15384 + ... + 22332.

It is an arithmetic number, because the mean of its divisors is an integer number (9382500).

Almost surely, 2^131044242 is an apocalyptic number.

131044242 is an abundant number, since it is smaller than the sum of its proper divisors (169195758).

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

131044242 is a wasteful number, since it uses less digits than its factorization.

131044242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7410.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 131044242 is about 11447.4556998488. The cubic root of 131044242 is about 507.9324754732.

Adding to 131044242 its reverse (242440131), we get a palindrome (373484373).

The spelling of 131044242 in words is "one hundred thirty-one million, forty-four thousand, two hundred forty-two".