321381077613 has 16 divisors (see below), whose sum is σ = 449479950336. Its totient is φ = 203865672560.

The previous prime is 321381077609. The next prime is 321381077623. The reversal of 321381077613 is 316770183123.

321381077613 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 321381077613 - 2² = 321381077609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321381077603) 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, 12179745 + ... + 12206102.

It is an arithmetic number, because the mean of its divisors is an integer number (28092496896).

Almost surely, 2^321381077613 is an apocalyptic number.

It is an amenable number.

321381077613 is a deficient number, since it is larger than the sum of its proper divisors (128098872723).

321381077613 is a wasteful number, since it uses less digits than its factorization.

321381077613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24386064.

The product of its (nonzero) digits is 127008, while the sum is 42.

The spelling of 321381077613 in words is "three hundred twenty-one billion, three hundred eighty-one million, seventy-seven thousand, six hundred thirteen".