345146332031 has 2 divisors, whose sum is σ = 345146332032. Its totient is φ = 345146332030.

The previous prime is 345146331989. The next prime is 345146332163. The reversal of 345146332031 is 130233641543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345146332031 - 2⁶ = 345146331967 is a prime.

It is a super-2 number, since 2×345146332031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 345146331982 and 345146332000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345146332331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172573166015 + 172573166016.

It is an arithmetic number, because the mean of its divisors is an integer number (172573166016).

Almost surely, 2^345146332031 is an apocalyptic number.

345146332031 is a deficient number, since it is larger than the sum of its proper divisors (1).

345146332031 is an equidigital number, since it uses as much as digits as its factorization.

345146332031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 345146332031 its reverse (130233641543), we get a palindrome (475379973574).

The spelling of 345146332031 in words is "three hundred forty-five billion, one hundred forty-six million, three hundred thirty-two thousand, thirty-one".