31435661314005 has 128 divisors (see below), whose sum is σ = 55125803335680. Its totient is φ = 15203440896000.

The previous prime is 31435661313961. The next prime is 31435661314021. The reversal of 31435661314005 is 50041316653413.

It is not a de Polignac number, because 31435661314005 - 2⁹ = 31435661313493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12132635260 + ... + 12132637850.

It is an arithmetic number, because the mean of its divisors is an integer number (430670338560).

Almost surely, 2^{31435661314005} is an apocalyptic number.

It is an amenable number.

31435661314005 is a deficient number, since it is larger than the sum of its proper divisors (23690142021675).

31435661314005 is a wasteful number, since it uses less digits than its factorization.

31435661314005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5483.

The product of its (nonzero) digits is 388800, while the sum is 42.

Adding to 31435661314005 its reverse (50041316653413), we get a palindrome (81476977967418).

The spelling of 31435661314005 in words is "thirty-one trillion, four hundred thirty-five billion, six hundred sixty-one million, three hundred fourteen thousand, five".