31023130013203 has 2 divisors, whose sum is σ = 31023130013204. Its totient is φ = 31023130013202.

The previous prime is 31023130013191. The next prime is 31023130013263. The reversal of 31023130013203 is 30231003132013.

It is a weak prime.

It is an emirp because it is prime and its reverse (30231003132013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31023130013203 - 2⁵ = 31023130013171 is a prime.

It is not a weakly prime, because it can be changed into another prime (31023130013263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15511565006601 + 15511565006602.

It is an arithmetic number, because the mean of its divisors is an integer number (15511565006602).

Almost surely, 2^{31023130013203} is an apocalyptic number.

31023130013203 is a deficient number, since it is larger than the sum of its proper divisors (1).

31023130013203 is an equidigital number, since it uses as much as digits as its factorization.

31023130013203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 31023130013203 its reverse (30231003132013), we get a palindrome (61254133145216).

The spelling of 31023130013203 in words is "thirty-one trillion, twenty-three billion, one hundred thirty million, thirteen thousand, two hundred three".