31023321112303 has 16 divisors (see below), whose sum is σ = 34911498767040. Its totient is φ = 27353194032384.

The previous prime is 31023321112291. The next prime is 31023321112319. The reversal of 31023321112303 is 30321112332013.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31023321112303 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 (31023321112393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72959326 + ... + 73383307.

It is an arithmetic number, because the mean of its divisors is an integer number (2181968672940).

Almost surely, 2^{31023321112303} is an apocalyptic number.

31023321112303 is a deficient number, since it is larger than the sum of its proper divisors (3888177654737).

31023321112303 is a wasteful number, since it uses less digits than its factorization.

31023321112303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146343378.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 31023321112303 its reverse (30321112332013), we get a palindrome (61344433444316).

The spelling of 31023321112303 in words is "thirty-one trillion, twenty-three billion, three hundred twenty-one million, one hundred twelve thousand, three hundred three".