31103100402203 has 16 divisors (see below), whose sum is σ = 31752207360000. Its totient is φ = 30460754926272.

The previous prime is 31103100402193. The next prime is 31103100402259. The reversal of 31103100402203 is 30220400130113.

It is a cyclic number.

It is not a de Polignac number, because 31103100402203 - 2⁶ = 31103100402139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31103100402103) 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, 53410598 + ... + 53989796.

It is an arithmetic number, because the mean of its divisors is an integer number (1984512960000).

Almost surely, 2^{31103100402203} is an apocalyptic number.

31103100402203 is a deficient number, since it is larger than the sum of its proper divisors (649106957797).

31103100402203 is a wasteful number, since it uses less digits than its factorization.

31103100402203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585034.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31103100402203 its reverse (30220400130113), we get a palindrome (61323500532316).

The spelling of 31103100402203 in words is "thirty-one trillion, one hundred three billion, one hundred million, four hundred two thousand, two hundred three".