31313012010323 has 32 divisors (see below), whose sum is σ = 32485252715520. Its totient is φ = 30168365760000.

The previous prime is 31313012010311. The next prime is 31313012010407. The reversal of 31313012010323 is 32301021031313.

It is a cyclic number.

It is not a de Polignac number, because 31313012010323 - 2⁴⁰ = 30213500382547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31313012010223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2939907548 + ... + 2939918198.

It is an arithmetic number, because the mean of its divisors is an integer number (1015164147360).

Almost surely, 2^{31313012010323} is an apocalyptic number.

31313012010323 is a deficient number, since it is larger than the sum of its proper divisors (1172240705197).

31313012010323 is a wasteful number, since it uses less digits than its factorization.

31313012010323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15579.

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

Adding to 31313012010323 its reverse (32301021031313), we get a palindrome (63614033041636).

The spelling of 31313012010323 in words is "thirty-one trillion, three hundred thirteen billion, twelve million, ten thousand, three hundred twenty-three".