2042400013231 has 2 divisors, whose sum is σ = 2042400013232. Its totient is φ = 2042400013230.

The previous prime is 2042400013223. The next prime is 2042400013259. The reversal of 2042400013231 is 1323100042402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2042400013231 - 2³ = 2042400013223 is a prime.

It is a super-2 number, since 2×2042400013231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2042400013531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021200006615 + 1021200006616.

It is an arithmetic number, because the mean of its divisors is an integer number (1021200006616).

Almost surely, 2^{2042400013231} is an apocalyptic number.

2042400013231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042400013231 is an equidigital number, since it uses as much as digits as its factorization.

2042400013231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2042400013231 its reverse (1323100042402), we get a palindrome (3365500055633).

The spelling of 2042400013231 in words is "two trillion, forty-two billion, four hundred million, thirteen thousand, two hundred thirty-one".