380031015 has 96 divisors (see below), whose sum is σ = 786917376. Its totient is φ = 155070720.

The previous prime is 380030969. The next prime is 380031017. The reversal of 380031015 is 510130083.

It is a happy number.

It is not a de Polignac number, because 380031015 - 2⁷ = 380030887 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 380030982 and 380031000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380031017) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 295564 + ... + 296846.

It is an arithmetic number, because the mean of its divisors is an integer number (8197056).

Almost surely, 2^380031015 is an apocalyptic number.

380031015 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

380031015 is an abundant number, since it is smaller than the sum of its proper divisors (406886361).

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

380031015 is a wasteful number, since it uses less digits than its factorization.

380031015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349 (or 1342 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 380031015 is about 19494.3841913511. The cubic root of 380031015 is about 724.3353496412.

Adding to 380031015 its reverse (510130083), we get a palindrome (890161098).

The spelling of 380031015 in words is "three hundred eighty million, thirty-one thousand, fifteen".