1031140199 has 4 divisors (see below), whose sum is σ = 1031736936. Its totient is φ = 1030543464.

The previous prime is 1031140177. The next prime is 1031140207. The reversal of 1031140199 is 9910411301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1031140199 - 2²⁸ = 762704743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031140399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295769 + ... + 299234.

It is an arithmetic number, because the mean of its divisors is an integer number (257934234).

Almost surely, 2^1031140199 is an apocalyptic number.

1031140199 is a deficient number, since it is larger than the sum of its proper divisors (596737).

1031140199 is an equidigital number, since it uses as much as digits as its factorization.

1031140199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596736.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 1031140199 is about 32111.3718019022. The cubic root of 1031140199 is about 1010.2741467357.

The spelling of 1031140199 in words is "one billion, thirty-one million, one hundred forty thousand, one hundred ninety-nine".