40353035312431 has 2 divisors, whose sum is σ = 40353035312432. Its totient is φ = 40353035312430.

The previous prime is 40353035312417. The next prime is 40353035312453. The reversal of 40353035312431 is 13421353035304.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40353035312431 - 2¹¹ = 40353035310383 is a prime.

It is a super-2 number, since 2×40353035312431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40353030312431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20176517656215 + 20176517656216.

It is an arithmetic number, because the mean of its divisors is an integer number (20176517656216).

Almost surely, 2^{40353035312431} is an apocalyptic number.

40353035312431 is a deficient number, since it is larger than the sum of its proper divisors (1).

40353035312431 is an equidigital number, since it uses as much as digits as its factorization.

40353035312431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 37.

Adding to 40353035312431 its reverse (13421353035304), we get a palindrome (53774388347735).

The spelling of 40353035312431 in words is "forty trillion, three hundred fifty-three billion, thirty-five million, three hundred twelve thousand, four hundred thirty-one".