385384879031 has 8 divisors (see below), whose sum is σ = 387474889728. Its totient is φ = 383297355000.

The previous prime is 385384879027. The next prime is 385384879043. The reversal of 385384879031 is 130978483583.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 385384879031 - 2² = 385384879027 is a prime.

It is a super-2 number, since 2×385384879031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385384879081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310445 + ... + 931206.

It is an arithmetic number, because the mean of its divisors is an integer number (48434361216).

Almost surely, 2^385384879031 is an apocalyptic number.

385384879031 is a deficient number, since it is larger than the sum of its proper divisors (2090010697).

385384879031 is a wasteful number, since it uses less digits than its factorization.

385384879031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243333.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 385384879031 in words is "three hundred eighty-five billion, three hundred eighty-four million, eight hundred seventy-nine thousand, thirty-one".