131000451 has 16 divisors (see below), whose sum is σ = 181969920. Its totient is φ = 83734560.

The previous prime is 131000437. The next prime is 131000491. The reversal of 131000451 is 154000131.

It is a de Polignac number, because none of the positive numbers 2^k-131000451 is a prime.

It is a super-2 number, since 2×131000451² = 34322236324406802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131000451.

It is not an unprimeable number, because it can be changed into a prime (131000491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3676 + ... + 16598.

It is an arithmetic number, because the mean of its divisors is an integer number (11373120).

Almost surely, 2^131000451 is an apocalyptic number.

131000451 is a deficient number, since it is larger than the sum of its proper divisors (50969469).

131000451 is a wasteful number, since it uses less digits than its factorization.

131000451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13066.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 131000451 is about 11445.5428442691. The cubic root of 131000451 is about 507.8758906415.

Adding to 131000451 its reverse (154000131), we get a palindrome (285000582).

The spelling of 131000451 in words is "one hundred thirty-one million, four hundred fifty-one", and thus it is an aban number.