3131302221102 has 128 divisors (see below), whose sum is σ = 7338331975680. Its totient is φ = 880748640000.

The previous prime is 3131302221043. The next prime is 3131302221119. The reversal of 3131302221102 is 2011222031313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13709577 + ... + 13936107.

It is an arithmetic number, because the mean of its divisors is an integer number (57330718560).

Almost surely, 2^{3131302221102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3131302221102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3669165987840).

3131302221102 is an abundant number, since it is smaller than the sum of its proper divisors (4207029754578).

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

3131302221102 is a wasteful number, since it uses less digits than its factorization.

3131302221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226790.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 3131302221102 its reverse (2011222031313), we get a palindrome (5142524252415).

The spelling of 3131302221102 in words is "three trillion, one hundred thirty-one billion, three hundred two million, two hundred twenty-one thousand, one hundred two".