631434035 has 4 divisors (see below), whose sum is σ = 757720848. Its totient is φ = 505147224.

The previous prime is 631434007. The next prime is 631434073. The reversal of 631434035 is 530434136.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 631434035 - 2⁸ = 631433779 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 631433989 and 631434007.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63143399 + ... + 63143408.

It is an arithmetic number, because the mean of its divisors is an integer number (189430212).

Almost surely, 2^631434035 is an apocalyptic number.

631434035 is a deficient number, since it is larger than the sum of its proper divisors (126286813).

631434035 is a wasteful number, since it uses less digits than its factorization.

631434035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126286812.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 631434035 is about 25128.3512192901. The cubic root of 631434035 is about 857.9118416530.

The spelling of 631434035 in words is "six hundred thirty-one million, four hundred thirty-four thousand, thirty-five".