31313011012303 has 8 divisors (see below), whose sum is σ = 31788606502656. Its totient is φ = 30840661908000.

The previous prime is 31313011012289. The next prime is 31313011012391. The reversal of 31313011012303 is 30321011031313.

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 31313011012303 - 2⁵ = 31313011012271 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 (31313011012603) 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, 811577076 + ... + 811615657.

It is an arithmetic number, because the mean of its divisors is an integer number (3973575812832).

Almost surely, 2^{31313011012303} is an apocalyptic number.

31313011012303 is a deficient number, since it is larger than the sum of its proper divisors (475595490353).

31313011012303 is a wasteful number, since it uses less digits than its factorization.

31313011012303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623193025.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 31313011012303 its reverse (30321011031313), we get a palindrome (61634022043616).

The spelling of 31313011012303 in words is "thirty-one trillion, three hundred thirteen billion, eleven million, twelve thousand, three hundred three".