345213381053 has 2 divisors, whose sum is σ = 345213381054. Its totient is φ = 345213381052.

The previous prime is 345213381047. The next prime is 345213381101. The reversal of 345213381053 is 350183312543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 319928246884 + 25285134169 = 565622^2 + 159013^2 .

It is a cyclic number.

It is not a de Polignac number, because 345213381053 - 2²⁶ = 345146272189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345213380998 and 345213381016.

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, 172606690526 + 172606690527.

It is an arithmetic number, because the mean of its divisors is an integer number (172606690527).

Almost surely, 2^345213381053 is an apocalyptic number.

It is an amenable number.

345213381053 is a deficient number, since it is larger than the sum of its proper divisors (1).

345213381053 is an equidigital number, since it uses as much as digits as its factorization.

345213381053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 345213381053 its reverse (350183312543), we get a palindrome (695396693596).

The spelling of 345213381053 in words is "three hundred forty-five billion, two hundred thirteen million, three hundred eighty-one thousand, fifty-three".