2131023121230 has 32 divisors (see below), whose sum is σ = 5279437928448. Its totient is φ = 549941450400.

The previous prime is 2131023121219. The next prime is 2131023121273. The reversal of 2131023121230 is 321213201312.

It is a junction number, because it is equal to n+sod(n) for n = 2131023121197 and 2131023121206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1145710426 + ... + 1145712285.

It is an arithmetic number, because the mean of its divisors is an integer number (164982435264).

Almost surely, 2^{2131023121230} is an apocalyptic number.

2131023121230 is an abundant number, since it is smaller than the sum of its proper divisors (3148414807218).

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

2131023121230 is a wasteful number, since it uses less digits than its factorization.

2131023121230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291422752.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2131023121230 its reverse (321213201312), we get a palindrome (2452236322542).

The spelling of 2131023121230 in words is "two trillion, one hundred thirty-one billion, twenty-three million, one hundred twenty-one thousand, two hundred thirty".