31431401413343 has 8 divisors (see below), whose sum is σ = 31916172128640. Its totient is φ = 30947090854680.

The previous prime is 31431401413301. The next prime is 31431401413397. The reversal of 31431401413343 is 34331410413413.

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 31431401413343 - 2¹⁶ = 31431401347807 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 (31431401412343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114901493 + ... + 115174718.

It is an arithmetic number, because the mean of its divisors is an integer number (3989521516080).

Almost surely, 2^{31431401413343} is an apocalyptic number.

31431401413343 is a deficient number, since it is larger than the sum of its proper divisors (484770715297).

31431401413343 is a wasteful number, since it uses less digits than its factorization.

31431401413343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230078317.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 31431401413343 its reverse (34331410413413), we get a palindrome (65762811826756).

The spelling of 31431401413343 in words is "thirty-one trillion, four hundred thirty-one billion, four hundred one million, four hundred thirteen thousand, three hundred forty-three".