31774272343 has 16 divisors (see below), whose sum is σ = 35014726656. Its totient is φ = 28592713440.

The previous prime is 31774272317. The next prime is 31774272353. The reversal of 31774272343 is 34327247713.

It is a cyclic number.

It is not a de Polignac number, because 31774272343 - 2²⁹ = 31237401431 is a prime.

It is a super-3 number, since 3×31774272343³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31774272343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31774272353) 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, 3420421 + ... + 3429697.

It is an arithmetic number, because the mean of its divisors is an integer number (2188420416).

Almost surely, 2^31774272343 is an apocalyptic number.

31774272343 is a deficient number, since it is larger than the sum of its proper divisors (3240454313).

31774272343 is a wasteful number, since it uses less digits than its factorization.

31774272343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12414.

The product of its digits is 592704, while the sum is 43.

The spelling of 31774272343 in words is "thirty-one billion, seven hundred seventy-four million, two hundred seventy-two thousand, three hundred forty-three".