301136440081 has 27 divisors (see below), whose sum is σ = 313092064969. Its totient is φ = 289635000200.

The previous prime is 301136440079. The next prime is 301136440141. The reversal of 301136440081 is 180044631103.

The square root of 301136440081 is 548759.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 301136440081 - 2¹ = 301136440079 is a prime.

It is a super-2 number, since 2×301136440081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (301136440001) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2298751386 + ... + 2298751516.

Almost surely, 2^301136440081 is an apocalyptic number.

301136440081 is the 548759-th square number.

301136440081 is the 274380-th centered octagonal number.

It is an amenable number.

301136440081 is a deficient number, since it is larger than the sum of its proper divisors (11955624888).

301136440081 is an frugal number, since it uses more digits than its factorization.

301136440081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 301136440081 in words is "three hundred one billion, one hundred thirty-six million, four hundred forty thousand, eighty-one".