1029173131 has 16 divisors (see below), whose sum is σ = 1200107520. Its totient is φ = 864357120.

The previous prime is 1029173129. The next prime is 1029173143. The reversal of 1029173131 is 1313719201.

It is a cyclic number.

It is not a de Polignac number, because 1029173131 - 2¹ = 1029173129 is a prime.

It is a super-2 number, since 2×1029173131² = 2118394667144686322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1029173131.

It is not an unprimeable number, because it can be changed into a prime (1029173231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83835 + ... + 95323.

It is an arithmetic number, because the mean of its divisors is an integer number (75006720).

Almost surely, 2^1029173131 is an apocalyptic number.

1029173131 is a deficient number, since it is larger than the sum of its proper divisors (170934389).

1029173131 is a wasteful number, since it uses less digits than its factorization.

1029173131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11754.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 1029173131 is about 32080.7283427294. The cubic root of 1029173131 is about 1009.6313169267.

The spelling of 1029173131 in words is "one billion, twenty-nine million, one hundred seventy-three thousand, one hundred thirty-one".