631133252254 has 8 divisors (see below), whose sum is σ = 951605059680. Its totient is φ = 313931565696.

The previous prime is 631133252251. The next prime is 631133252261. The reversal of 631133252254 is 452252331136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×631133252254² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631133252251) 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, 817529734 + ... + 817530505.

It is an arithmetic number, because the mean of its divisors is an integer number (118950632460).

Almost surely, 2^631133252254 is an apocalyptic number.

631133252254 is a deficient number, since it is larger than the sum of its proper divisors (320471807426).

631133252254 is a wasteful number, since it uses less digits than its factorization.

631133252254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635060434.

The product of its digits is 129600, while the sum is 37.

The spelling of 631133252254 in words is "six hundred thirty-one billion, one hundred thirty-three million, two hundred fifty-two thousand, two hundred fifty-four".