400141042131431 has 2 divisors, whose sum is σ = 400141042131432. Its totient is φ = 400141042131430.

The previous prime is 400141042131379. The next prime is 400141042131461. The reversal of 400141042131431 is 134131240141004.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400141042131431 - 2¹⁰ = 400141042130407 is a prime.

It is a super-2 number, since 2×400141042131431² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 400141042131394 and 400141042131403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400141042131461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200070521065715 + 200070521065716.

It is an arithmetic number, because the mean of its divisors is an integer number (200070521065716).

Almost surely, 2^{400141042131431} is an apocalyptic number.

400141042131431 is a deficient number, since it is larger than the sum of its proper divisors (1).

400141042131431 is an equidigital number, since it uses as much as digits as its factorization.

400141042131431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 400141042131431 its reverse (134131240141004), we get a palindrome (534272282272435).

The spelling of 400141042131431 in words is "four hundred trillion, one hundred forty-one billion, forty-two million, one hundred thirty-one thousand, four hundred thirty-one".