31454738343 has 40 divisors (see below), whose sum is σ = 53739367968. Its totient is φ = 17961129216.

The previous prime is 31454738339. The next prime is 31454738377. The reversal of 31454738343 is 34383745413.

31454738343 is a `hidden beast` number, since 3 + 145 + 473 + 8 + 34 + 3 = 666.

It is not a de Polignac number, because 31454738343 - 2² = 31454738339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31454738143) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 793155 + ... + 831867.

Almost surely, 2^31454738343 is an apocalyptic number.

31454738343 is a deficient number, since it is larger than the sum of its proper divisors (22284629625).

31454738343 is a wasteful number, since it uses less digits than its factorization.

31454738343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40165 (or 40156 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 45.

It can be divided in two parts, 3145473 and 8343, that added together give a triangular number (3153816 = T₂₅₁₁).

The spelling of 31454738343 in words is "thirty-one billion, four hundred fifty-four million, seven hundred thirty-eight thousand, three hundred forty-three".