63311402 has 16 divisors (see below), whose sum is σ = 118400832. Its totient is φ = 24666720.

The previous prime is 63311389. The next prime is 63311411. The reversal of 63311402 is 20411336.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205403 + ... + 205710.

It is an arithmetic number, because the mean of its divisors is an integer number (7400052).

Almost surely, 2^63311402 is an apocalyptic number.

63311402 is a deficient number, since it is larger than the sum of its proper divisors (55089430).

63311402 is a wasteful number, since it uses less digits than its factorization.

63311402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411133.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 63311402 is about 7956.8462345329. The cubic root of 63311402 is about 398.5602448135.

Adding to 63311402 its reverse (20411336), we get a palindrome (83722738).

The spelling of 63311402 in words is "sixty-three million, three hundred eleven thousand, four hundred two".