378131701 has 4 divisors (see below), whose sum is σ = 378921600. Its totient is φ = 377341804.

The previous prime is 378131693. The next prime is 378131713. The reversal of 378131701 is 107131873.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 378131701 - 2³ = 378131693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378132701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394231 + ... + 395188.

It is an arithmetic number, because the mean of its divisors is an integer number (94730400).

Almost surely, 2^378131701 is an apocalyptic number.

It is an amenable number.

378131701 is a deficient number, since it is larger than the sum of its proper divisors (789899).

378131701 is an equidigital number, since it uses as much as digits as its factorization.

378131701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789898.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 378131701 is about 19445.6087845045. The cubic root of 378131701 is about 723.1266425565.

The spelling of 378131701 in words is "three hundred seventy-eight million, one hundred thirty-one thousand, seven hundred one".