31405377350413 has 16 divisors (see below), whose sum is σ = 35371695439872. Its totient is φ = 27624591414000.

The previous prime is 31405377350411. The next prime is 31405377350483.

31405377350413 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 31405377350413 - 2¹ = 31405377350411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31405377350411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5977081 + ... + 9926542.

It is an arithmetic number, because the mean of its divisors is an integer number (2210730964992).

Almost surely, 2^{31405377350413} is an apocalyptic number.

It is an amenable number.

31405377350413 is a deficient number, since it is larger than the sum of its proper divisors (3966318089459).

31405377350413 is a wasteful number, since it uses less digits than its factorization.

31405377350413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15909456.

The product of its (nonzero) digits is 1587600, while the sum is 46.

The spelling of 31405377350413 in words is "thirty-one trillion, four hundred five billion, three hundred seventy-seven million, three hundred fifty thousand, four hundred thirteen".