631299060 has 72 divisors (see below), whose sum is σ = 2188507776. Its totient is φ = 144296640.

The previous prime is 631299049. The next prime is 631299077. The reversal of 631299060 is 60992136.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 249256 + ... + 251775.

Almost surely, 2^631299060 is an apocalyptic number.

631299060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

631299060 is an abundant number, since it is smaller than the sum of its proper divisors (1557208716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

631299060 is a wasteful number, since it uses less digits than its factorization.

631299060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501053 (or 501048 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 631299060 is about 25125.6653643242. The cubic root of 631299060 is about 857.8507083721.

The spelling of 631299060 in words is "six hundred thirty-one million, two hundred ninety-nine thousand, sixty".