631453335051 has 64 divisors (see below), whose sum is σ = 1085103931392. Its totient is φ = 316990800000.

The previous prime is 631453335011. The next prime is 631453335133. The reversal of 631453335051 is 150533354136.

It is not a de Polignac number, because 631453335051 - 2¹⁹ = 631452810763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (631453335001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4956966 + ... + 5082756.

It is an arithmetic number, because the mean of its divisors is an integer number (16954748928).

Almost surely, 2^631453335051 is an apocalyptic number.

631453335051 is a deficient number, since it is larger than the sum of its proper divisors (453650596341).

631453335051 is a wasteful number, since it uses less digits than its factorization.

631453335051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126544.

The product of its (nonzero) digits is 243000, while the sum is 39.

Adding to 631453335051 its reverse (150533354136), we get a palindrome (781986689187).

The spelling of 631453335051 in words is "six hundred thirty-one billion, four hundred fifty-three million, three hundred thirty-five thousand, fifty-one".