378744248131 has 4 divisors (see below), whose sum is σ = 383538479200. Its totient is φ = 373950017064.

The previous prime is 378744248119. The next prime is 378744248213. The reversal of 378744248131 is 131842447873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131842447873 = 1733 ⋅76077581.

It is a cyclic number.

It is not a de Polignac number, because 378744248131 - 2⁹ = 378744247619 is a prime.

It is a super-2 number, since 2×378744248131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378744248731) 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, 2397115416 + ... + 2397115573.

It is an arithmetic number, because the mean of its divisors is an integer number (95884619800).

Almost surely, 2^378744248131 is an apocalyptic number.

378744248131 is a deficient number, since it is larger than the sum of its proper divisors (4794231069).

378744248131 is an equidigital number, since it uses as much as digits as its factorization.

378744248131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4794231068.

The product of its digits is 3612672, while the sum is 52.

The spelling of 378744248131 in words is "three hundred seventy-eight billion, seven hundred forty-four million, two hundred forty-eight thousand, one hundred thirty-one".