113131429 has 2 divisors, whose sum is σ = 113131430. Its totient is φ = 113131428.

The previous prime is 113131399. The next prime is 113131441. The reversal of 113131429 is 924131311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83722500 + 29408929 = 9150^2 + 5423^2 .

It is a cyclic number.

It is not a de Polignac number, because 113131429 - 2⁹ = 113130917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113131489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56565714 + 56565715.

It is an arithmetic number, because the mean of its divisors is an integer number (56565715).

Almost surely, 2^113131429 is an apocalyptic number.

It is an amenable number.

113131429 is a deficient number, since it is larger than the sum of its proper divisors (1).

113131429 is an equidigital number, since it uses as much as digits as its factorization.

113131429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 25.

The square root of 113131429 is about 10636.3259164055. The cubic root of 113131429 is about 483.6461752179.

The spelling of 113131429 in words is "one hundred thirteen million, one hundred thirty-one thousand, four hundred twenty-nine".