346507612331 has 4 divisors (see below), whose sum is σ = 346512012600. Its totient is φ = 346503212064.

The previous prime is 346507612301. The next prime is 346507612379. The reversal of 346507612331 is 133216705643.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 346507612331 - 2¹⁴ = 346507595947 is a prime.

It is a super-2 number, since 2×346507612331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346507612301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2079821 + ... + 2240238.

It is an arithmetic number, because the mean of its divisors is an integer number (86628003150).

Almost surely, 2^346507612331 is an apocalyptic number.

346507612331 is a deficient number, since it is larger than the sum of its proper divisors (4400269).

346507612331 is an equidigital number, since it uses as much as digits as its factorization.

346507612331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4400268.

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 346507612331 in words is "three hundred forty-six billion, five hundred seven million, six hundred twelve thousand, three hundred thirty-one".