345711029 has 2 divisors, whose sum is σ = 345711030. Its totient is φ = 345711028.

The previous prime is 345710987. The next prime is 345711043. The reversal of 345711029 is 920117543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 337456900 + 8254129 = 18370^2 + 2873^2 .

It is a cyclic number.

It is not a de Polignac number, because 345711029 - 2⁸ = 345710773 is a prime.

It is a super-2 number, since 2×345711029² = 239032231144477682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 345710986 and 345711004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345713029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172855514 + 172855515.

It is an arithmetic number, because the mean of its divisors is an integer number (172855515).

Almost surely, 2^345711029 is an apocalyptic number.

It is an amenable number.

345711029 is a deficient number, since it is larger than the sum of its proper divisors (1).

345711029 is an equidigital number, since it uses as much as digits as its factorization.

345711029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 345711029 is about 18593.3060266323. The cubic root of 345711029 is about 701.8393997649.

The spelling of 345711029 in words is "three hundred forty-five million, seven hundred eleven thousand, twenty-nine".