31103434999 has 32 divisors (see below), whose sum is σ = 38655590400. Its totient is φ = 24369351552.

The previous prime is 31103434987. The next prime is 31103435021. The reversal of 31103434999 is 99943430113.

It is not a de Polignac number, because 31103434999 - 2⁹ = 31103434487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31103434969) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6920397 + ... + 6924889.

It is an arithmetic number, because the mean of its divisors is an integer number (1207987200).

Almost surely, 2^31103434999 is an apocalyptic number.

31103434999 is a deficient number, since it is larger than the sum of its proper divisors (7552155401).

31103434999 is a wasteful number, since it uses less digits than its factorization.

31103434999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5239.

The product of its (nonzero) digits is 314928, while the sum is 46.

The spelling of 31103434999 in words is "thirty-one billion, one hundred three million, four hundred thirty-four thousand, nine hundred ninety-nine".