31113460363 has 4 divisors (see below), whose sum is σ = 31421514528. Its totient is φ = 30805406200.

The previous prime is 31113460349. The next prime is 31113460373. The reversal of 31113460363 is 36306431113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31113460363 - 2⁹ = 31113459851 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31113460303) by changing a digit.

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, 154026931 + ... + 154027132.

It is an arithmetic number, because the mean of its divisors is an integer number (7855378632).

Almost surely, 2^31113460363 is an apocalyptic number.

31113460363 is a deficient number, since it is larger than the sum of its proper divisors (308054165).

31113460363 is a wasteful number, since it uses less digits than its factorization.

31113460363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308054164.

The product of its (nonzero) digits is 11664, while the sum is 31.

Adding to 31113460363 its reverse (36306431113), we get a palindrome (67419891476).

The spelling of 31113460363 in words is "thirty-one billion, one hundred thirteen million, four hundred sixty thousand, three hundred sixty-three".