331220311113102 has 32 divisors (see below), whose sum is σ = 691810377576192. Its totient is φ = 105519699884544.

The previous prime is 331220311113031. The next prime is 331220311113103. The reversal of 331220311113102 is 201311113022133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331220311113103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985923748 + ... + 986259639.

It is an arithmetic number, because the mean of its divisors is an integer number (21619074299256).

Almost surely, 2^{331220311113102} is an apocalyptic number.

331220311113102 is an abundant number, since it is smaller than the sum of its proper divisors (360590066463090).

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

331220311113102 is a wasteful number, since it uses less digits than its factorization.

331220311113102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972184632.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 331220311113102 its reverse (201311113022133), we get a palindrome (532531424135235).

The spelling of 331220311113102 in words is "three hundred thirty-one trillion, two hundred twenty billion, three hundred eleven million, one hundred thirteen thousand, one hundred two".