629113131 has 12 divisors (see below), whose sum is σ = 909035920. Its totient is φ = 419262480.

The previous prime is 629113117. The next prime is 629113171. The reversal of 629113131 is 131311926.

629113131 is a `hidden beast` number, since 629 + 1 + 1 + 3 + 1 + 31 = 666.

It is not a de Polignac number, because 629113131 - 2⁹ = 629112619 is a prime.

It is a super-2 number, since 2×629113131² = 791566663193246322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 629113095 and 629113104.

It is not an unprimeable number, because it can be changed into a prime (629113171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19341 + ... + 40401.

Almost surely, 2^629113131 is an apocalyptic number.

629113131 is a deficient number, since it is larger than the sum of its proper divisors (279922789).

629113131 is a wasteful number, since it uses less digits than its factorization.

629113131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24386 (or 24383 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 629113131 is about 25082.1277207497. The cubic root of 629113131 is about 856.8594353063.

The spelling of 629113131 in words is "six hundred twenty-nine million, one hundred thirteen thousand, one hundred thirty-one".