305313011032156 has 24 divisors (see below), whose sum is σ = 543302811144576. Its totient is φ = 150085904272320.

The previous prime is 305313011032103. The next prime is 305313011032163. The reversal of 305313011032156 is 651230110313503.

It is a happy number.

It is a super-2 number, since 2×305313011032156² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282941971 + ... + 284018986.

It is an arithmetic number, because the mean of its divisors is an integer number (22637617131024).

Almost surely, 2^{305313011032156} is an apocalyptic number.

It is an amenable number.

305313011032156 is a deficient number, since it is larger than the sum of its proper divisors (237989800112420).

305313011032156 is a wasteful number, since it uses less digits than its factorization.

305313011032156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566963229 (or 566963227 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 34.

Adding to 305313011032156 its reverse (651230110313503), we get a palindrome (956543121345659).

The spelling of 305313011032156 in words is "three hundred five trillion, three hundred thirteen billion, eleven million, thirty-two thousand, one hundred fifty-six".