31030304364 has 96 divisors (see below), whose sum is σ = 84560394240. Its totient is φ = 9821395584.

The previous prime is 31030304359. The next prime is 31030304401. The reversal of 31030304364 is 46340303013.

31030304364 is a `hidden beast` number, since 310 + 303 + 0 + 43 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294717 + ... + 385899.

It is an arithmetic number, because the mean of its divisors is an integer number (880837440).

Almost surely, 2^31030304364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31030304364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42280197120).

31030304364 is an abundant number, since it is smaller than the sum of its proper divisors (53530089876).

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

31030304364 is a wasteful number, since it uses less digits than its factorization.

31030304364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91356 (or 91348 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 31030304364 its reverse (46340303013), we get a palindrome (77370607377).

The spelling of 31030304364 in words is "thirty-one billion, thirty million, three hundred four thousand, three hundred sixty-four".