63131198 has 8 divisors (see below), whose sum is σ = 101981208. Its totient is φ = 29137464.

The previous prime is 63131147. The next prime is 63131249. The reversal of 63131198 is 89113136.

It is an interprime number because it is at equal distance from previous prime (63131147) and next prime (63131249).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1214036 + ... + 1214087.

It is an arithmetic number, because the mean of its divisors is an integer number (12747651).

Almost surely, 2^63131198 is an apocalyptic number.

63131198 is a deficient number, since it is larger than the sum of its proper divisors (38850010).

63131198 is a wasteful number, since it uses less digits than its factorization.

63131198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428138.

The product of its digits is 3888, while the sum is 32.

The square root of 63131198 is about 7945.5143319989. The cubic root of 63131198 is about 398.1817432124.

The spelling of 63131198 in words is "sixty-three million, one hundred thirty-one thousand, one hundred ninety-eight".