385701131 has 4 divisors (see below), whose sum is σ = 399001200. Its totient is φ = 372401064.

The previous prime is 385701103. The next prime is 385701137. The reversal of 385701131 is 131107583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131107583 = 163 ⋅804341.

It is a de Polignac number, because none of the positive numbers 2^k-385701131 is a prime.

It is a super-2 number, since 2×385701131² = 297530724909358322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 13300039 = 385701131 / (3 + 8 + 5 + 7 + 0 + 1 + 1 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 385701094 and 385701103.

It is not an unprimeable number, because it can be changed into a prime (385701137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6649991 + ... + 6650048.

It is an arithmetic number, because the mean of its divisors is an integer number (99750300).

Almost surely, 2^385701131 is an apocalyptic number.

385701131 is a deficient number, since it is larger than the sum of its proper divisors (13300069).

385701131 is a wasteful number, since it uses less digits than its factorization.

385701131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13300068.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 385701131 is about 19639.2752157507. The cubic root of 385701131 is about 727.9199755806.

The spelling of 385701131 in words is "three hundred eighty-five million, seven hundred one thousand, one hundred thirty-one".