242430123131 has 16 divisors (see below), whose sum is σ = 281658660864. Its totient is φ = 204372958464.

The previous prime is 242430123127. The next prime is 242430123139. The reversal of 242430123131 is 131321034242.

It is a cyclic number.

It is not a de Polignac number, because 242430123131 - 2² = 242430123127 is a prime.

It is a super-2 number, since 2×242430123131² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242430123131.

It is not an unprimeable number, because it can be changed into a prime (242430123139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 806006 + ... + 1065131.

It is an arithmetic number, because the mean of its divisors is an integer number (17603666304).

Almost surely, 2^242430123131 is an apocalyptic number.

242430123131 is a deficient number, since it is larger than the sum of its proper divisors (39228537733).

242430123131 is a wasteful number, since it uses less digits than its factorization.

242430123131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871450.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 242430123131 its reverse (131321034242), we get a palindrome (373751157373).

The spelling of 242430123131 in words is "two hundred forty-two billion, four hundred thirty million, one hundred twenty-three thousand, one hundred thirty-one".