131063172 has 12 divisors (see below), whose sum is σ = 305814096. Its totient is φ = 43687720.

The previous prime is 131063171. The next prime is 131063173. The reversal of 131063172 is 271360131.

It is an interprime number because it is at equal distance from previous prime (131063171) and next prime (131063173).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (131063171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5460954 + ... + 5460977.

It is an arithmetic number, because the mean of its divisors is an integer number (25484508).

Almost surely, 2^131063172 is an apocalyptic number.

131063172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131063172 is an abundant number, since it is smaller than the sum of its proper divisors (174750924).

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

131063172 is a wasteful number, since it uses less digits than its factorization.

131063172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10921938 (or 10921936 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 131063172 is about 11448.2824912735. The cubic root of 131063172 is about 507.9569320960.

The spelling of 131063172 in words is "one hundred thirty-one million, sixty-three thousand, one hundred seventy-two".