378240258031 has 4 divisors (see below), whose sum is σ = 400489684992. Its totient is φ = 355990831072.

The previous prime is 378240257999. The next prime is 378240258107. The reversal of 378240258031 is 130852042873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130852042873 = 281 ⋅465665633.

It is a cyclic number.

It is not a de Polignac number, because 378240258031 - 2⁵ = 378240257999 is a prime.

It is a super-2 number, since 2×378240258031² (a number of 24 digits) 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 (378240258731) 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 3 ways as a sum of consecutive naturals, for example, 11124713455 + ... + 11124713488.

It is an arithmetic number, because the mean of its divisors is an integer number (100122421248).

Almost surely, 2^378240258031 is an apocalyptic number.

378240258031 is a deficient number, since it is larger than the sum of its proper divisors (22249426961).

378240258031 is a wasteful number, since it uses less digits than its factorization.

378240258031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22249426960.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 378240258031 in words is "three hundred seventy-eight billion, two hundred forty million, two hundred fifty-eight thousand, thirty-one".