31431416664435 has 64 divisors (see below), whose sum is σ = 50682481242624. Its totient is φ = 16633231718400.

The previous prime is 31431416664413. The next prime is 31431416664437. The reversal of 31431416664435 is 53446661413413.

It is not a de Polignac number, because 31431416664435 - 2¹⁶ = 31431416598899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31431416664437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5738798917 + ... + 5738804393.

It is an arithmetic number, because the mean of its divisors is an integer number (791913769416).

Almost surely, 2^{31431416664435} is an apocalyptic number.

31431416664435 is a deficient number, since it is larger than the sum of its proper divisors (19251064578189).

31431416664435 is a wasteful number, since it uses less digits than its factorization.

31431416664435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11204.

The product of its digits is 7464960, while the sum is 51.

The spelling of 31431416664435 in words is "thirty-one trillion, four hundred thirty-one billion, four hundred sixteen million, six hundred sixty-four thousand, four hundred thirty-five".