378532031 has 12 divisors (see below), whose sum is σ = 388655400. Its totient is φ = 368664240.

The previous prime is 378532001. The next prime is 378532061. The reversal of 378532031 is 130235873.

It is an interprime number because it is at equal distance from previous prime (378532001) and next prime (378532061).

It is not a de Polignac number, because 378532031 - 2¹⁴ = 378515647 is a prime.

It is a super-2 number, since 2×378532031² = 286572996985969922, which 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 (378532001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 770696 + ... + 771186.

It is an arithmetic number, because the mean of its divisors is an integer number (32387950).

Almost surely, 2^378532031 is an apocalyptic number.

378532031 is a deficient number, since it is larger than the sum of its proper divisors (10123369).

378532031 is an equidigital number, since it uses as much as digits as its factorization.

378532031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934 (or 887 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 378532031 is about 19455.8996450948. The cubic root of 378532031 is about 723.3817451983.

The spelling of 378532031 in words is "three hundred seventy-eight million, five hundred thirty-two thousand, thirty-one".