310381742421 has 6 divisors (see below), whose sum is σ = 448329183510. Its totient is φ = 206921161608.

The previous prime is 310381742413. The next prime is 310381742449. The reversal of 310381742421 is 124247183013.

310381742421 is a `hidden beast` number, since 31 + 0 + 38 + 174 + 2 + 421 = 666.

It can be written as a sum of positive squares in only one way, i.e., 248138478225 + 62243264196 = 498135^2 + 249486^2 .

It is not a de Polignac number, because 310381742421 - 2³ = 310381742413 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310381742521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17243430126 + ... + 17243430143.

It is an arithmetic number, because the mean of its divisors is an integer number (74721530585).

Almost surely, 2^310381742421 is an apocalyptic number.

It is an amenable number.

310381742421 is a deficient number, since it is larger than the sum of its proper divisors (137947441089).

310381742421 is a wasteful number, since it uses less digits than its factorization.

310381742421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34486860275 (or 34486860272 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 310381742421 in words is "three hundred ten billion, three hundred eighty-one million, seven hundred forty-two thousand, four hundred twenty-one".