31102300102220 has 72 divisors (see below), whose sum is σ = 67889646496224. Its totient is φ = 11966531584000.

The previous prime is 31102300102171. The next prime is 31102300102231. The reversal of 31102300102220 is 2220100320113.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4127861 + ... + 8901900.

It is an arithmetic number, because the mean of its divisors is an integer number (942911756892).

Almost surely, 2^{31102300102220} is an apocalyptic number.

It is an amenable number.

31102300102220 is an abundant number, since it is smaller than the sum of its proper divisors (36787346394004).

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

31102300102220 is a wasteful number, since it uses less digits than its factorization.

31102300102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13029923 (or 13029880 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31102300102220 its reverse (2220100320113), we get a palindrome (33322400422333).

The spelling of 31102300102220 in words is "thirty-one trillion, one hundred two billion, three hundred million, one hundred two thousand, two hundred twenty".