345731063 has 2 divisors, whose sum is σ = 345731064. Its totient is φ = 345731062.

The previous prime is 345731059. The next prime is 345731077. The reversal of 345731063 is 360137543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345731063 - 2² = 345731059 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345731033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172865531 + 172865532.

It is an arithmetic number, because the mean of its divisors is an integer number (172865532).

Almost surely, 2^345731063 is an apocalyptic number.

345731063 is a deficient number, since it is larger than the sum of its proper divisors (1).

345731063 is an equidigital number, since it uses as much as digits as its factorization.

345731063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 345731063 is about 18593.8447611031. The cubic root of 345731063 is about 701.8529567318.

The spelling of 345731063 in words is "three hundred forty-five million, seven hundred thirty-one thousand, sixty-three".