31220102000130 has 32 divisors (see below), whose sum is σ = 74930063641344. Its totient is φ = 8325158439936.

The previous prime is 31220102000057. The next prime is 31220102000141. The reversal of 31220102000130 is 3100020102213.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11372319 + ... + 13848098.

It is an arithmetic number, because the mean of its divisors is an integer number (2341564488792).

Almost surely, 2^{31220102000130} is an apocalyptic number.

31220102000130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31220102000130 is an abundant number, since it is smaller than the sum of its proper divisors (43709961641214).

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

31220102000130 is a wasteful number, since it uses less digits than its factorization.

31220102000130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25261690.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 31220102000130 its reverse (3100020102213), we get a palindrome (34320122102343).

The spelling of 31220102000130 in words is "thirty-one trillion, two hundred twenty billion, one hundred two million, one hundred thirty", and thus it is an aban number.