131610629 has 2 divisors, whose sum is σ = 131610630. Its totient is φ = 131610628.

The previous prime is 131610581. The next prime is 131610631. The reversal of 131610629 is 926016131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131560900 + 49729 = 11470^2 + 223^2 .

It is a cyclic number.

It is not a de Polignac number, because 131610629 - 2²⁴ = 114833413 is a prime.

Together with 131610631, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131610649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65805314 + 65805315.

It is an arithmetic number, because the mean of its divisors is an integer number (65805315).

Almost surely, 2^131610629 is an apocalyptic number.

It is an amenable number.

131610629 is a deficient number, since it is larger than the sum of its proper divisors (1).

131610629 is an equidigital number, since it uses as much as digits as its factorization.

131610629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 131610629 is about 11472.1675807146. The cubic root of 131610629 is about 508.6632029200.

The spelling of 131610629 in words is "one hundred thirty-one million, six hundred ten thousand, six hundred twenty-nine".