31345232143413 has 8 divisors (see below), whose sum is σ = 41793742070208. Its totient is φ = 20896771822784.

The previous prime is 31345232143411. The next prime is 31345232143471. The reversal of 31345232143413 is 31434123254313.

It is a happy number.

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 31345232143413 - 2¹ = 31345232143411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31345232143411) 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, 10901220 + ... + 13473197.

It is an arithmetic number, because the mean of its divisors is an integer number (5224217758776).

Almost surely, 2^{31345232143413} is an apocalyptic number.

It is an amenable number.

31345232143413 is a deficient number, since it is larger than the sum of its proper divisors (10448509926795).

31345232143413 is a wasteful number, since it uses less digits than its factorization.

31345232143413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24803083.

The product of its digits is 311040, while the sum is 39.

Adding to 31345232143413 its reverse (31434123254313), we get a palindrome (62779355397726).

The spelling of 31345232143413 in words is "thirty-one trillion, three hundred forty-five billion, two hundred thirty-two million, one hundred forty-three thousand, four hundred thirteen".