31401364304 has 20 divisors (see below), whose sum is σ = 61837524660. Its totient is φ = 15443293440.

The previous prime is 31401364283. The next prime is 31401364321. The reversal of 31401364304 is 40346310413.

It can be written as a sum of positive squares in 2 ways, for example, as 9909804304 + 21491560000 = 99548^2 + 146600^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16085789 + ... + 16087740.

It is an arithmetic number, because the mean of its divisors is an integer number (3091876233).

Almost surely, 2^31401364304 is an apocalyptic number.

It is an amenable number.

31401364304 is a deficient number, since it is larger than the sum of its proper divisors (30436160356).

31401364304 is a wasteful number, since it uses less digits than its factorization.

31401364304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32173598 (or 32173592 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 31401364304 its reverse (40346310413), we get a palindrome (71747674717).

The spelling of 31401364304 in words is "thirty-one billion, four hundred one million, three hundred sixty-four thousand, three hundred four".