630312400102 has 128 divisors (see below), whose sum is σ = 1257174908928. Its totient is φ = 229456281600.

The previous prime is 630312400099. The next prime is 630312400147. The reversal of 630312400102 is 201004213036.

630312400102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×630312400102² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 336524638 + ... + 336526510.

It is an arithmetic number, because the mean of its divisors is an integer number (9821678976).

Almost surely, 2^630312400102 is an apocalyptic number.

630312400102 is a deficient number, since it is larger than the sum of its proper divisors (626862508826).

630312400102 is a wasteful number, since it uses less digits than its factorization.

630312400102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 630312400102 its reverse (201004213036), we get a palindrome (831316613138).

The spelling of 630312400102 in words is "six hundred thirty billion, three hundred twelve million, four hundred thousand, one hundred two".