1000031401394 has 8 divisors (see below), whose sum is σ = 1500051388140. Its totient is φ = 500014272016.

The previous prime is 1000031401363. The next prime is 1000031401423. The reversal of 1000031401394 is 4931041300001.

It can be written as a sum of positive squares in 2 ways, for example, as 995531004169 + 4500397225 = 997763^2 + 67085^2 .

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

It is an unprimeable number.

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, 818192 + ... + 1633860.

Almost surely, 2^{1000031401394} is an apocalyptic number.

1000031401394 is a deficient number, since it is larger than the sum of its proper divisors (500019986746).

1000031401394 is an equidigital number, since it uses as much as digits as its factorization.

1000031401394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428684.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 1000031401394 its reverse (4931041300001), we get a palindrome (5931072701395).

The spelling of 1000031401394 in words is "one trillion, thirty-one million, four hundred one thousand, three hundred ninety-four".