2123131312030 has 8 divisors (see below), whose sum is σ = 3821636361672. Its totient is φ = 849252524808.

The previous prime is 2123131312007. The next prime is 2123131312079. The reversal of 2123131312030 is 302131313212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2123131311992 and 2123131312010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106156565592 + ... + 106156565611.

It is an arithmetic number, because the mean of its divisors is an integer number (477704545209).

Almost surely, 2^{2123131312030} is an apocalyptic number.

2123131312030 is a deficient number, since it is larger than the sum of its proper divisors (1698505049642).

2123131312030 is a wasteful number, since it uses less digits than its factorization.

2123131312030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212313131210.

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

Adding to 2123131312030 its reverse (302131313212), we get a palindrome (2425262625242).

The spelling of 2123131312030 in words is "two trillion, one hundred twenty-three billion, one hundred thirty-one million, three hundred twelve thousand, thirty".