631082768201 has 4 divisors (see below), whose sum is σ = 637209785472. Its totient is φ = 624955750932.

The previous prime is 631082768189. The next prime is 631082768207. The reversal of 631082768201 is 102867280136.

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 631082768201 - 2²² = 631078573897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (631082768207) 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, 3063508481 + ... + 3063508686.

It is an arithmetic number, because the mean of its divisors is an integer number (159302446368).

Almost surely, 2^631082768201 is an apocalyptic number.

It is an amenable number.

631082768201 is a deficient number, since it is larger than the sum of its proper divisors (6127017271).

631082768201 is a wasteful number, since it uses less digits than its factorization.

631082768201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6127017270.

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 631082768201 in words is "six hundred thirty-one billion, eighty-two million, seven hundred sixty-eight thousand, two hundred one".