378828813031 has 2 divisors, whose sum is σ = 378828813032. Its totient is φ = 378828813030.

The previous prime is 378828812987. The next prime is 378828813037. The reversal of 378828813031 is 130318828873.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 378828813031 - 2³⁷ = 241389859559 is a prime.

It is a super-2 number, since 2×378828813031² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 378828813031.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378828813037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189414406515 + 189414406516.

It is an arithmetic number, because the mean of its divisors is an integer number (189414406516).

Almost surely, 2^378828813031 is an apocalyptic number.

378828813031 is a deficient number, since it is larger than the sum of its proper divisors (1).

378828813031 is an equidigital number, since it uses as much as digits as its factorization.

378828813031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 378828813031 in words is "three hundred seventy-eight billion, eight hundred twenty-eight million, eight hundred thirteen thousand, thirty-one".