31101022103020 has 24 divisors (see below), whose sum is σ = 65312622496800. Its totient is φ = 12440318159232.

The previous prime is 31101022103003. The next prime is 31101022103033. The reversal of 31101022103020 is 2030122010113.

It is a junction number, because it is equal to n+sod(n) for n = 31101022102985 and 31101022103003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2820400 + ... + 8375959.

It is an arithmetic number, because the mean of its divisors is an integer number (2721359270700).

Almost surely, 2^{31101022103020} is an apocalyptic number.

It is an amenable number.

31101022103020 is an abundant number, since it is smaller than the sum of its proper divisors (34211600393780).

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

31101022103020 is a wasteful number, since it uses less digits than its factorization.

31101022103020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11335257 (or 11335255 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31101022103020 its reverse (2030122010113), we get a palindrome (33131144113133).

The spelling of 31101022103020 in words is "thirty-one trillion, one hundred one billion, twenty-two million, one hundred three thousand, twenty".