31040034203 has 12 divisors (see below), whose sum is σ = 32159382528. Its totient is φ = 29958415200.

The previous prime is 31040034197. The next prime is 31040034257. The reversal of 31040034203 is 30243004013.

It is not a de Polignac number, because 31040034203 - 2⁴ = 31040034187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31040034293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3008153 + ... + 3018453.

It is an arithmetic number, because the mean of its divisors is an integer number (2679948544).

Almost surely, 2^31040034203 is an apocalyptic number.

31040034203 is a deficient number, since it is larger than the sum of its proper divisors (1119348325).

31040034203 is a wasteful number, since it uses less digits than its factorization.

31040034203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13942 (or 13913 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 31040034203 its reverse (30243004013), we get a palindrome (61283038216).

The spelling of 31040034203 in words is "thirty-one billion, forty million, thirty-four thousand, two hundred three".