385313831718 has 16 divisors (see below), whose sum is σ = 771037812480. Its totient is φ = 128369585736.

The previous prime is 385313831711. The next prime is 385313831719. The reversal of 385313831718 is 817138313583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385313831711) 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, 17077330 + ... + 17099877.

It is an arithmetic number, because the mean of its divisors is an integer number (48189863280).

Almost surely, 2^385313831718 is an apocalyptic number.

385313831718 is an abundant number, since it is smaller than the sum of its proper divisors (385723980762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385313831718 is a wasteful number, since it uses less digits than its factorization.

385313831718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34179091.

The product of its digits is 1451520, while the sum is 51.

The spelling of 385313831718 in words is "three hundred eighty-five billion, three hundred thirteen million, eight hundred thirty-one thousand, seven hundred eighteen".