308348094681 has 135 divisors (see below), whose sum is σ = 520114060389. Its totient is φ = 181913331600.

The previous prime is 308348094679. The next prime is 308348094683. The reversal of 308348094681 is 186490843803.

The square root of 308348094681 is 555291.

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

308348094681 is a `hidden beast` number, since 3 + 0 + 83 + 480 + 9 + 4 + 6 + 81 = 666.

It is an interprime number because it is at equal distance from previous prime (308348094679) and next prime (308348094683).

It is not a de Polignac number, because 308348094681 - 2¹ = 308348094679 is a prime.

It is a super-2 number, since 2×308348094681² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (308348094683) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 3903140400 + ... + 3903140478.

Almost surely, 2^308348094681 is an apocalyptic number.

308348094681 is the 555291-st square number.

308348094681 is the 277646-th centered octagonal number.

It is an amenable number.

308348094681 is a deficient number, since it is larger than the sum of its proper divisors (211765965708).

308348094681 is an frugal number, since it uses more digits than its factorization.

308348094681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 308348094681 in words is "three hundred eight billion, three hundred forty-eight million, ninety-four thousand, six hundred eighty-one".