31023310130203 has 2 divisors, whose sum is σ = 31023310130204. Its totient is φ = 31023310130202.

The previous prime is 31023310130201. The next prime is 31023310130311. The reversal of 31023310130203 is 30203101332013.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31023310130203 - 2¹ = 31023310130201 is a prime.

Together with 31023310130201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (31023310130201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15511655065101 + 15511655065102.

It is an arithmetic number, because the mean of its divisors is an integer number (15511655065102).

Almost surely, 2^{31023310130203} is an apocalyptic number.

31023310130203 is a deficient number, since it is larger than the sum of its proper divisors (1).

31023310130203 is an equidigital number, since it uses as much as digits as its factorization.

31023310130203 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 31023310130203 its reverse (30203101332013), we get a palindrome (61226411462216).

The spelling of 31023310130203 in words is "thirty-one trillion, twenty-three billion, three hundred ten million, one hundred thirty thousand, two hundred three".