378678143031 has 8 divisors (see below), whose sum is σ = 505528302960. Its totient is φ = 252140039232.

The previous prime is 378678143023. The next prime is 378678143033. The reversal of 378678143031 is 130341876873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 378678143031 - 2³ = 378678143023 is a prime.

It is a super-2 number, since 2×378678143031² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378678143033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78011200 + ... + 78016053.

It is an arithmetic number, because the mean of its divisors is an integer number (63191037870).

Almost surely, 2^378678143031 is an apocalyptic number.

378678143031 is a deficient number, since it is larger than the sum of its proper divisors (126850159929).

378678143031 is a wasteful number, since it uses less digits than its factorization.

378678143031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156028065.

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 378678143031 in words is "three hundred seventy-eight billion, six hundred seventy-eight million, one hundred forty-three thousand, thirty-one".