1150380731 has 4 divisors (see below), whose sum is σ = 1150890000. Its totient is φ = 1149871464.

The previous prime is 1150380713. The next prime is 1150380733. The reversal of 1150380731 is 1370830511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1370830511 = 367 ⋅3735233.

It is a cyclic number.

It is not a de Polignac number, because 1150380731 - 2¹⁸ = 1150118587 is a prime.

It is a super-2 number, since 2×1150380731² = 2646751652512188722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1150380694 and 1150380703.

It is not an unprimeable number, because it can be changed into a prime (1150380733) 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, 251231 + ... + 255768.

It is an arithmetic number, because the mean of its divisors is an integer number (287722500).

Almost surely, 2^1150380731 is an apocalyptic number.

1150380731 is a deficient number, since it is larger than the sum of its proper divisors (509269).

1150380731 is an equidigital number, since it uses as much as digits as its factorization.

1150380731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509268.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 1150380731 is about 33917.2630234222. The cubic root of 1150380731 is about 1047.8051600932.

The spelling of 1150380731 in words is "one billion, one hundred fifty million, three hundred eighty thousand, seven hundred thirty-one".