31770716343 has 16 divisors (see below), whose sum is σ = 42714819840. Its totient is φ = 21003869376.

The previous prime is 31770716323. The next prime is 31770716353. The reversal of 31770716343 is 34361707713.

It is a de Polignac number, because none of the positive numbers 2^k-31770716343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31770716295 and 31770716304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31770716323) 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, 357468 + ... + 437406.

It is an arithmetic number, because the mean of its divisors is an integer number (2669676240).

Almost surely, 2^31770716343 is an apocalyptic number.

31770716343 is a deficient number, since it is larger than the sum of its proper divisors (10944103497).

31770716343 is a wasteful number, since it uses less digits than its factorization.

31770716343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81046.

The product of its (nonzero) digits is 222264, while the sum is 42.

The spelling of 31770716343 in words is "thirty-one billion, seven hundred seventy million, seven hundred sixteen thousand, three hundred forty-three".