31113111131303 has 8 divisors (see below), whose sum is σ = 31237306437456. Its totient is φ = 30988917720000.

The previous prime is 31113111131299. The next prime is 31113111131329. The reversal of 31113111131303 is 30313111131113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31113111131303 - 2² = 31113111131299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31113111131203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38971925 + ... + 39762257.

It is an arithmetic number, because the mean of its divisors is an integer number (3904663304682).

Almost surely, 2^{31113111131303} is an apocalyptic number.

31113111131303 is a deficient number, since it is larger than the sum of its proper divisors (124195306153).

31113111131303 is a wasteful number, since it uses less digits than its factorization.

31113111131303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947425.

The product of its (nonzero) digits is 243, while the sum is 23.

Adding to 31113111131303 its reverse (30313111131113), we get a palindrome (61426222262416).

The spelling of 31113111131303 in words is "thirty-one trillion, one hundred thirteen billion, one hundred eleven million, one hundred thirty-one thousand, three hundred three".