31354500343 has 16 divisors (see below), whose sum is σ = 32745042720. Its totient is φ = 29985951744.

The previous prime is 31354500329. The next prime is 31354500371. The reversal of 31354500343 is 34300545313.

It is a de Polignac number, because none of the positive numbers 2^k-31354500343 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 (31354500143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1292080 + ... + 1316122.

It is an arithmetic number, because the mean of its divisors is an integer number (2046565170).

Almost surely, 2^31354500343 is an apocalyptic number.

31354500343 is a deficient number, since it is larger than the sum of its proper divisors (1390542377).

31354500343 is a wasteful number, since it uses less digits than its factorization.

31354500343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24498.

The product of its (nonzero) digits is 32400, while the sum is 31.

The spelling of 31354500343 in words is "thirty-one billion, three hundred fifty-four million, five hundred thousand, three hundred forty-three".