1140302031 has 16 divisors (see below), whose sum is σ = 1663417728. Its totient is φ = 689093600.

The previous prime is 1140302003. The next prime is 1140302041. The reversal of 1140302031 is 1302030411.

It is a cyclic number.

It is not a de Polignac number, because 1140302031 - 2⁵ = 1140301999 is a prime.

It is a super-2 number, since 2×1140302031² = 2600577443805449922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1140302031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140302041) 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, 38340 + ... + 61241.

It is an arithmetic number, because the mean of its divisors is an integer number (103963608).

Almost surely, 2^1140302031 is an apocalyptic number.

1140302031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1140302031 is a deficient number, since it is larger than the sum of its proper divisors (523115697).

1140302031 is a wasteful number, since it uses less digits than its factorization.

1140302031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99942.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1140302031 is about 33768.3584291567. The cubic root of 1140302031 is about 1044.7361744802.

Adding to 1140302031 its reverse (1302030411), we get a palindrome (2442332442).

The spelling of 1140302031 in words is "one billion, one hundred forty million, three hundred two thousand, thirty-one".