31230441203102 has 16 divisors (see below), whose sum is σ = 47552606865792. Its totient is φ = 15379648287960.

The previous prime is 31230441203089. The next prime is 31230441203111. The reversal of 31230441203102 is 20130214403213.

It is a super-2 number, since 2×31230441203102² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18185378 + ... + 19828485.

It is an arithmetic number, because the mean of its divisors is an integer number (2972037929112).

Almost surely, 2^{31230441203102} is an apocalyptic number.

31230441203102 is a deficient number, since it is larger than the sum of its proper divisors (16322165662690).

31230441203102 is a wasteful number, since it uses less digits than its factorization.

31230441203102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38020063.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 31230441203102 its reverse (20130214403213), we get a palindrome (51360655606315).

The spelling of 31230441203102 in words is "thirty-one trillion, two hundred thirty billion, four hundred forty-one million, two hundred three thousand, one hundred two".