131002451 has 2 divisors, whose sum is σ = 131002452. Its totient is φ = 131002450.

The previous prime is 131002447. The next prime is 131002453. The reversal of 131002451 is 154200131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131002451 - 2² = 131002447 is a prime.

Together with 131002453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131002453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65501225 + 65501226.

It is an arithmetic number, because the mean of its divisors is an integer number (65501226).

Almost surely, 2^131002451 is an apocalyptic number.

131002451 is a deficient number, since it is larger than the sum of its proper divisors (1).

131002451 is an equidigital number, since it uses as much as digits as its factorization.

131002451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 131002451 is about 11445.6302141909. The cubic root of 131002451 is about 507.8784752296.

Adding to 131002451 its reverse (154200131), we get a palindrome (285202582).

It can be divided in two parts, 13100 and 2451, that added together give a palindrome (15551).

The spelling of 131002451 in words is "one hundred thirty-one million, two thousand, four hundred fifty-one".