1040031013 has 4 divisors (see below), whose sum is σ = 1188606880. Its totient is φ = 891455148.

The previous prime is 1040031011. The next prime is 1040031023. The reversal of 1040031013 is 3101300401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1040031013 - 2¹ = 1040031011 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 1040030984 and 1040031002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040031011) 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, 74287923 + ... + 74287936.

It is an arithmetic number, because the mean of its divisors is an integer number (297151720).

Almost surely, 2^1040031013 is an apocalyptic number.

It is an amenable number.

1040031013 is a deficient number, since it is larger than the sum of its proper divisors (148575867).

1040031013 is an equidigital number, since it uses as much as digits as its factorization.

1040031013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148575866.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1040031013 is about 32249.5118257626. The cubic root of 1040031013 is about 1013.1694745895.

Adding to 1040031013 its reverse (3101300401), we get a palindrome (4141331414).

The spelling of 1040031013 in words is "one billion, forty million, thirty-one thousand, thirteen".