1031440053 has 12 divisors (see below), whose sum is σ = 1599784800. Its totient is φ = 589394232.

The previous prime is 1031440027. The next prime is 1031440063. The reversal of 1031440053 is 3500441301.

It is not a de Polignac number, because 1031440053 - 2⁵ = 1031440021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031440063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3508153 + ... + 3508446.

It is an arithmetic number, because the mean of its divisors is an integer number (133315400).

Almost surely, 2^1031440053 is an apocalyptic number.

It is an amenable number.

1031440053 is a deficient number, since it is larger than the sum of its proper divisors (568344747).

1031440053 is an equidigital number, since it uses as much as digits as its factorization.

1031440053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7016616 (or 7016609 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1031440053 is about 32116.0404315351. The cubic root of 1031440053 is about 1010.3720659727.

Adding to 1031440053 its reverse (3500441301), we get a palindrome (4531881354).

The spelling of 1031440053 in words is "one billion, thirty-one million, four hundred forty thousand, fifty-three".