131618032 has 40 divisors (see below), whose sum is σ = 313861856. Its totient is φ = 52068096.

The previous prime is 131618023. The next prime is 131618041. The reversal of 131618032 is 230816131.

It is an interprime number because it is at equal distance from previous prime (131618023) and next prime (131618041).

It is a junction number, because it is equal to n+sod(n) for n = 131617988 and 131618006.

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, 43743 + ... + 46654.

Almost surely, 2^131618032 is an apocalyptic number.

It is an amenable number.

131618032 is an abundant number, since it is smaller than the sum of its proper divisors (182243824).

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

131618032 is a wasteful number, since it uses less digits than its factorization.

131618032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90425 (or 90419 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 131618032 is about 11472.4902266247. The cubic root of 131618032 is about 508.6727400501.

The spelling of 131618032 in words is "one hundred thirty-one million, six hundred eighteen thousand, thirty-two".