31210131133102 has 16 divisors (see below), whose sum is σ = 47060665344000. Its totient is φ = 15523243945560.

The previous prime is 31210131133039. The next prime is 31210131133121. The reversal of 31210131133102 is 20133113101213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69529099 + ... + 69976537.

It is an arithmetic number, because the mean of its divisors is an integer number (2941291584000).

Almost surely, 2^{31210131133102} is an apocalyptic number.

31210131133102 is a deficient number, since it is larger than the sum of its proper divisors (15850534210898).

31210131133102 is a wasteful number, since it uses less digits than its factorization.

31210131133102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630231.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 31210131133102 its reverse (20133113101213), we get a palindrome (51343244234315).

The spelling of 31210131133102 in words is "thirty-one trillion, two hundred ten billion, one hundred thirty-one million, one hundred thirty-three thousand, one hundred two".