31113223300013 has 8 divisors (see below), whose sum is σ = 32474973049728. Its totient is φ = 29752223626224.

The previous prime is 31113223300007. The next prime is 31113223300051. The reversal of 31113223300013 is 31000332231113.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31113223300013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31113223600013) 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, 187434206 + ... + 187600127.

It is an arithmetic number, because the mean of its divisors is an integer number (4059371631216).

Almost surely, 2^{31113223300013} is an apocalyptic number.

It is an amenable number.

31113223300013 is a deficient number, since it is larger than the sum of its proper divisors (1361749749715).

31113223300013 is a wasteful number, since it uses less digits than its factorization.

31113223300013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375037963.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31113223300013 its reverse (31000332231113), we get a palindrome (62113555531126).

The spelling of 31113223300013 in words is "thirty-one trillion, one hundred thirteen billion, two hundred twenty-three million, three hundred thousand, thirteen".