346745047531 has 2 divisors, whose sum is σ = 346745047532. Its totient is φ = 346745047530.

The previous prime is 346745047529. The next prime is 346745047553. The reversal of 346745047531 is 135740547643.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 346745047531 - 2¹ = 346745047529 is a prime.

It is a super-2 number, since 2×346745047531² (a number of 24 digits) contains 22 as substring.

Together with 346745047529, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (346745047031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173372523765 + 173372523766.

It is an arithmetic number, because the mean of its divisors is an integer number (173372523766).

Almost surely, 2^346745047531 is an apocalyptic number.

346745047531 is a deficient number, since it is larger than the sum of its proper divisors (1).

346745047531 is an equidigital number, since it uses as much as digits as its factorization.

346745047531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4233600, while the sum is 49.

The spelling of 346745047531 in words is "three hundred forty-six billion, seven hundred forty-five million, forty-seven thousand, five hundred thirty-one".