2131312213030 has 192 divisors, whose sum is σ = 5183733542400. Its totient is φ = 612670556160.

The previous prime is 2131312213013. The next prime is 2131312213073. The reversal of 2131312213030 is 303122131312.

It is a super-2 number, since 2×2131312213030² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2131312212992 and 2131312213010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 163827166 + ... + 163840174.

It is an arithmetic number, because the mean of its divisors is an integer number (26998612200).

Almost surely, 2^{2131312213030} is an apocalyptic number.

2131312213030 is an abundant number, since it is smaller than the sum of its proper divisors (3052421329370).

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

2131312213030 is a wasteful number, since it uses less digits than its factorization.

2131312213030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14319 (or 14306 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2131312213030 its reverse (303122131312), we get a palindrome (2434434344342).

The spelling of 2131312213030 in words is "two trillion, one hundred thirty-one billion, three hundred twelve million, two hundred thirteen thousand, thirty".