31302312203023 has 16 divisors (see below), whose sum is σ = 31704909309216. Its totient is φ = 30902710671360.

The previous prime is 31302312203021. The next prime is 31302312203033. The reversal of 31302312203023 is 32030221320313.

It is a cyclic number.

It is not a de Polignac number, because 31302312203023 - 2¹ = 31302312203021 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 (31302312203021) 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, 17171008 + ... + 18906298.

It is an arithmetic number, because the mean of its divisors is an integer number (1981556831826).

Almost surely, 2^{31302312203023} is an apocalyptic number.

31302312203023 is a deficient number, since it is larger than the sum of its proper divisors (402597106193).

31302312203023 is a wasteful number, since it uses less digits than its factorization.

31302312203023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736154.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 31302312203023 its reverse (32030221320313), we get a palindrome (63332533523336).

The spelling of 31302312203023 in words is "thirty-one trillion, three hundred two billion, three hundred twelve million, two hundred three thousand, twenty-three".