2131112202030 has 96 divisors (see below), whose sum is σ = 6333985382400. Its totient is φ = 486993076416.

The previous prime is 2131112202029. The next prime is 2131112202059. The reversal of 2131112202030 is 302022111312.

It is a super-2 number, since 2×2131112202030² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2131112201994 and 2131112202012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2198931 + ... + 3016209.

It is an arithmetic number, because the mean of its divisors is an integer number (65979014400).

Almost surely, 2^{2131112202030} is an apocalyptic number.

2131112202030 is an abundant number, since it is smaller than the sum of its proper divisors (4202873180370).

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

2131112202030 is a wasteful number, since it uses less digits than its factorization.

2131112202030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821438 (or 821435 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2131112202030 its reverse (302022111312), we get a palindrome (2433134313342).

The spelling of 2131112202030 in words is "two trillion, one hundred thirty-one billion, one hundred twelve million, two hundred two thousand, thirty".