631607458201 has 4 divisors (see below), whose sum is σ = 631611074304. Its totient is φ = 631603842100.

The previous prime is 631607458171. The next prime is 631607458217. The reversal of 631607458201 is 102854706136.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 631607458201 - 2⁵ = 631607458169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (631607458241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1532005 + ... + 1900066.

It is an arithmetic number, because the mean of its divisors is an integer number (157902768576).

Almost surely, 2^631607458201 is an apocalyptic number.

It is an amenable number.

631607458201 is a deficient number, since it is larger than the sum of its proper divisors (3616103).

631607458201 is a wasteful number, since it uses less digits than its factorization.

631607458201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3616102.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 631607458201 in words is "six hundred thirty-one billion, six hundred seven million, four hundred fifty-eight thousand, two hundred one".