131623032 has 32 divisors (see below), whose sum is σ = 346377600. Its totient is φ = 41565024.

The previous prime is 131623031. The next prime is 131623033. The reversal of 131623032 is 230326131.

It is an interprime number because it is at equal distance from previous prime (131623031) and next prime (131623033).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131623031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143868 + ... + 144779.

It is an arithmetic number, because the mean of its divisors is an integer number (10824300).

Almost surely, 2^131623032 is an apocalyptic number.

131623032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131623032 is an abundant number, since it is smaller than the sum of its proper divisors (214754568).

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

131623032 is a wasteful number, since it uses less digits than its factorization.

131623032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288675 (or 288671 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 131623032 is about 11472.7081371401. The cubic root of 131623032 is about 508.6791812432.

Adding to 131623032 its reverse (230326131), we get a palindrome (361949163).

The spelling of 131623032 in words is "one hundred thirty-one million, six hundred twenty-three thousand, thirty-two".