31210542045102 has 64 divisors (see below), whose sum is σ = 72872007358464. Its totient is φ = 8725676762880.

The previous prime is 31210542045083. The next prime is 31210542045113. The reversal of 31210542045102 is 20154024501213.

It is a self number, because there is not a number n which added to its sum of digits gives 31210542045102.

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 31 ways as a sum of consecutive naturals, for example, 7411098 + ... + 10832610.

It is an arithmetic number, because the mean of its divisors is an integer number (1138625114976).

Almost surely, 2^{31210542045102} is an apocalyptic number.

31210542045102 is an abundant number, since it is smaller than the sum of its proper divisors (41661465313362).

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

31210542045102 is a wasteful number, since it uses less digits than its factorization.

31210542045102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3426193.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 31210542045102 its reverse (20154024501213), we get a palindrome (51364566546315).

The spelling of 31210542045102 in words is "thirty-one trillion, two hundred ten billion, five hundred forty-two million, forty-five thousand, one hundred two".