345213381047 has 2 divisors, whose sum is σ = 345213381048. Its totient is φ = 345213381046.

The previous prime is 345213381043. The next prime is 345213381053. The reversal of 345213381047 is 740183312543.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345213381047 - 2² = 345213381043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345213380995 and 345213381013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345213381043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172606690523 + 172606690524.

It is an arithmetic number, because the mean of its divisors is an integer number (172606690524).

Almost surely, 2^345213381047 is an apocalyptic number.

345213381047 is a deficient number, since it is larger than the sum of its proper divisors (1).

345213381047 is an equidigital number, since it uses as much as digits as its factorization.

345213381047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 345213381047 in words is "three hundred forty-five billion, two hundred thirteen million, three hundred eighty-one thousand, forty-seven".