42311430123021 has 48 divisors (see below), whose sum is σ = 63172925614656. Its totient is φ = 27272460354048.

The previous prime is 42311430122999. The next prime is 42311430123073. The reversal of 42311430123021 is 12032103411324.

42311430123021 is a `hidden beast` number, since 4 + 2 + 311 + 4 + 30 + 12 + 302 + 1 = 666.

It is not a de Polignac number, because 42311430123021 - 2⁵ = 42311430122989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42311430124021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33178230 + ... + 34429896.

It is an arithmetic number, because the mean of its divisors is an integer number (1316102616972).

Almost surely, 2^{42311430123021} is an apocalyptic number.

It is an amenable number.

42311430123021 is a deficient number, since it is larger than the sum of its proper divisors (20861495491635).

42311430123021 is a wasteful number, since it uses less digits than its factorization.

42311430123021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252602 (or 1252599 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 42311430123021 its reverse (12032103411324), we get a palindrome (54343533534345).

The spelling of 42311430123021 in words is "forty-two trillion, three hundred eleven billion, four hundred thirty million, one hundred twenty-three thousand, twenty-one".