631013626652 has 48 divisors (see below), whose sum is σ = 1187842350240. Its totient is φ = 292390705152.

The previous prime is 631013626651. The next prime is 631013626717. The reversal of 631013626652 is 256626310136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631013626651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1125008 + ... + 1589864.

It is an arithmetic number, because the mean of its divisors is an integer number (24746715630).

Almost surely, 2^631013626652 is an apocalyptic number.

It is an amenable number.

631013626652 is a deficient number, since it is larger than the sum of its proper divisors (556828723588).

631013626652 is a wasteful number, since it uses less digits than its factorization.

631013626652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465270 (or 465268 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 41.

Adding to 631013626652 its reverse (256626310136), we get a palindrome (887639936788).

The spelling of 631013626652 in words is "six hundred thirty-one billion, thirteen million, six hundred twenty-six thousand, six hundred fifty-two".