345630310253 has 2 divisors, whose sum is σ = 345630310254. Its totient is φ = 345630310252.

The previous prime is 345630310231. The next prime is 345630310271. The reversal of 345630310253 is 352013036543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 334086312004 + 11543998249 = 578002^2 + 107443^2 .

It is a cyclic number.

It is not a de Polignac number, because 345630310253 - 2¹⁰ = 345630309229 is a prime.

It is a super-2 number, since 2×345630310253² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345630310273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172815155126 + 172815155127.

It is an arithmetic number, because the mean of its divisors is an integer number (172815155127).

Almost surely, 2^345630310253 is an apocalyptic number.

It is an amenable number.

345630310253 is a deficient number, since it is larger than the sum of its proper divisors (1).

345630310253 is an equidigital number, since it uses as much as digits as its factorization.

345630310253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 35.

Adding to 345630310253 its reverse (352013036543), we get a palindrome (697643346796).

The spelling of 345630310253 in words is "three hundred forty-five billion, six hundred thirty million, three hundred ten thousand, two hundred fifty-three".