31430333302012 has 24 divisors (see below), whose sum is σ = 55062328361040. Its totient is φ = 15698244109440.

The previous prime is 31430333302007. The next prime is 31430333302033. The reversal of 31430333302012 is 21020333303413.

It is a congruent number.

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, 26783488 + ... + 27932344.

It is an arithmetic number, because the mean of its divisors is an integer number (2294263681710).

Almost surely, 2^{31430333302012} is an apocalyptic number.

It is an amenable number.

31430333302012 is a deficient number, since it is larger than the sum of its proper divisors (23631995059028).

31430333302012 is a wasteful number, since it uses less digits than its factorization.

31430333302012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156221 (or 1156219 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 31430333302012 its reverse (21020333303413), we get a palindrome (52450666605425).

The spelling of 31430333302012 in words is "thirty-one trillion, four hundred thirty billion, three hundred thirty-three million, three hundred two thousand, twelve".