1031386634 has 8 divisors (see below), whose sum is σ = 1638084708. Its totient is φ = 485358400.

The previous prime is 1031386613. The next prime is 1031386661. The reversal of 1031386634 is 4366831301.

It can be written as a sum of positive squares in 2 ways, for example, as 817788409 + 213598225 = 28597^2 + 14615^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1031386594 and 1031386603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15167417 + ... + 15167484.

Almost surely, 2^1031386634 is an apocalyptic number.

1031386634 is a deficient number, since it is larger than the sum of its proper divisors (606698074).

1031386634 is a wasteful number, since it uses less digits than its factorization.

1031386634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30334920.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 1031386634 is about 32115.2087646959. The cubic root of 1031386634 is about 1010.3546230468.

The spelling of 1031386634 in words is "one billion, thirty-one million, three hundred eighty-six thousand, six hundred thirty-four".