31053503002100 has 36 divisors (see below), whose sum is σ = 67393262391084. Its totient is φ = 12420081223680.

The previous prime is 31053503002061. The next prime is 31053503002129. The reversal of 31053503002100 is 120030535013.

It can be written as a sum of positive squares in 6 ways, for example, as 1216847259664 + 29836655742436 = 1103108^2 + 5462294^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15553709 + ... + 17436308.

It is an arithmetic number, because the mean of its divisors is an integer number (1872035066419).

Almost surely, 2^{31053503002100} is an apocalyptic number.

It is an amenable number.

31053503002100 is an abundant number, since it is smaller than the sum of its proper divisors (36339759388984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31053503002100 is a wasteful number, since it uses less digits than its factorization.

31053503002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32999444 (or 32999437 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 23.

Adding to 31053503002100 its reverse (120030535013), we get a palindrome (31173533537113).

The spelling of 31053503002100 in words is "thirty-one trillion, fifty-three billion, five hundred three million, two thousand, one hundred".