31631502045 has 32 divisors (see below), whose sum is σ = 59458379904. Its totient is φ = 14156755200.

The previous prime is 31631502011. The next prime is 31631502083. The reversal of 31631502045 is 54020513613.

It is not a de Polignac number, because 31631502045 - 2⁹ = 31631501533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7371166 + ... + 7375455.

It is an arithmetic number, because the mean of its divisors is an integer number (1858074372).

Almost surely, 2^31631502045 is an apocalyptic number.

It is an amenable number.

31631502045 is a deficient number, since it is larger than the sum of its proper divisors (27826877859).

31631502045 is a wasteful number, since it uses less digits than its factorization.

31631502045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14746653.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 31631502045 in words is "thirty-one billion, six hundred thirty-one million, five hundred two thousand, forty-five".