31445654413 has 8 divisors (see below), whose sum is σ = 31934429280. Its totient is φ = 30960358800.

The previous prime is 31445654407. The next prime is 31445654431.

31445654413 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31445654413 - 2²⁵ = 31412099981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31445654453) 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 7 ways as a sum of consecutive naturals, for example, 851595 + ... + 887752.

It is an arithmetic number, because the mean of its divisors is an integer number (3991803660).

Almost surely, 2^31445654413 is an apocalyptic number.

It is an amenable number.

31445654413 is a deficient number, since it is larger than the sum of its proper divisors (488774867).

31445654413 is a wasteful number, since it uses less digits than its factorization.

31445654413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739627.

The product of its digits is 345600, while the sum is 40.

The spelling of 31445654413 in words is "thirty-one billion, four hundred forty-five million, six hundred fifty-four thousand, four hundred thirteen".