305345211130 has 32 divisors (see below), whose sum is σ = 555385233744. Its totient is φ = 120860737536.

The previous prime is 305345211107. The next prime is 305345211133. The reversal of 305345211130 is 31112543503.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 21372393249 + 283972817881 = 146193^2 + 532891^2 .

It is not an unprimeable number, because it can be changed into a prime (305345211133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478234 + ... + 916186.

Almost surely, 2^305345211130 is an apocalyptic number.

305345211130 is a deficient number, since it is larger than the sum of its proper divisors (250040022614).

305345211130 is a wasteful number, since it uses less digits than its factorization.

305345211130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438690.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 305345211130 its reverse (31112543503), we get a palindrome (336457754633).

The spelling of 305345211130 in words is "three hundred five billion, three hundred forty-five million, two hundred eleven thousand, one hundred thirty".