345242205131 has 2 divisors, whose sum is σ = 345242205132. Its totient is φ = 345242205130.

The previous prime is 345242205083. The next prime is 345242205167. The reversal of 345242205131 is 131502242543.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345242205131 is a prime.

It is a super-2 number, since 2×345242205131² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (345242205331) 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 as a sum of consecutive naturals, namely, 172621102565 + 172621102566.

It is an arithmetic number, because the mean of its divisors is an integer number (172621102566).

Almost surely, 2^345242205131 is an apocalyptic number.

345242205131 is a deficient number, since it is larger than the sum of its proper divisors (1).

345242205131 is an equidigital number, since it uses as much as digits as its factorization.

345242205131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 345242205131 its reverse (131502242543), we get a palindrome (476744447674).

The spelling of 345242205131 in words is "three hundred forty-five billion, two hundred forty-two million, two hundred five thousand, one hundred thirty-one".