631453138151 has 16 divisors (see below), whose sum is σ = 692923410816. Its totient is φ = 570662820000.

The previous prime is 631453137989. The next prime is 631453138157. The reversal of 631453138151 is 151831354136.

It is a cyclic number.

It is not a de Polignac number, because 631453138151 - 2¹⁸ = 631452876007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 631453138099 and 631453138108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631453138157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5379356 + ... + 5495486.

It is an arithmetic number, because the mean of its divisors is an integer number (43307713176).

Almost surely, 2^631453138151 is an apocalyptic number.

631453138151 is a deficient number, since it is larger than the sum of its proper divisors (61470272665).

631453138151 is a wasteful number, since it uses less digits than its factorization.

631453138151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119054.

The product of its digits is 129600, while the sum is 41.

The spelling of 631453138151 in words is "six hundred thirty-one billion, four hundred fifty-three million, one hundred thirty-eight thousand, one hundred fifty-one".