31023013103203 has 16 divisors (see below), whose sum is σ = 35606591626752. Its totient is φ = 26976533106600.

The previous prime is 31023013103183. The next prime is 31023013103207. The reversal of 31023013103203 is 30230131032013.

It is not a de Polignac number, because 31023013103203 - 2⁴¹ = 28823989847651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31023013103207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506666103 + ... + 506727328.

It is an arithmetic number, because the mean of its divisors is an integer number (2225411976672).

Almost surely, 2^{31023013103203} is an apocalyptic number.

31023013103203 is a deficient number, since it is larger than the sum of its proper divisors (4583578523549).

31023013103203 is a wasteful number, since it uses less digits than its factorization.

31023013103203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013393487 (or 1013393465 counting only the distinct ones).

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

Adding to 31023013103203 its reverse (30230131032013), we get a palindrome (61253144135216).

The spelling of 31023013103203 in words is "thirty-one trillion, twenty-three billion, thirteen million, one hundred three thousand, two hundred three".