31053112203 has 16 divisors (see below), whose sum is σ = 43845369120. Its totient is φ = 19481780736.

The previous prime is 31053112187. The next prime is 31053112231. The reversal of 31053112203 is 30221135013.

It is not a de Polignac number, because 31053112203 - 2⁴ = 31053112187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31053112203.

It is not an unprimeable number, because it can be changed into a prime (31053112273) 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, 407001 + ... + 477237.

It is an arithmetic number, because the mean of its divisors is an integer number (2740335570).

Almost surely, 2^31053112203 is an apocalyptic number.

31053112203 is a deficient number, since it is larger than the sum of its proper divisors (12792256917).

31053112203 is a wasteful number, since it uses less digits than its factorization.

31053112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78926.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 31053112203 its reverse (30221135013), we get a palindrome (61274247216).

The spelling of 31053112203 in words is "thirty-one billion, fifty-three million, one hundred twelve thousand, two hundred three".