1042242453231 has 32 divisors (see below), whose sum is σ = 1645624527360. Its totient is φ = 574092054144.

The previous prime is 1042242453181. The next prime is 1042242453257. The reversal of 1042242453231 is 1323542422401.

It is a happy number.

It is not a de Polignac number, because 1042242453231 - 2²³ = 1042234064623 is a prime.

It is a super-2 number, since 2×1042242453231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1042242453192 and 1042242453201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042242455231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1022605 + ... + 1769238.

It is an arithmetic number, because the mean of its divisors is an integer number (51425766480).

Almost surely, 2^{1042242453231} is an apocalyptic number.

1042242453231 is a deficient number, since it is larger than the sum of its proper divisors (603382074129).

1042242453231 is a wasteful number, since it uses less digits than its factorization.

1042242453231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792495.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 1042242453231 its reverse (1323542422401), we get a palindrome (2365784875632).

The spelling of 1042242453231 in words is "one trillion, forty-two billion, two hundred forty-two million, four hundred fifty-three thousand, two hundred thirty-one".