1031305053 has 4 divisors (see below), whose sum is σ = 1375073408. Its totient is φ = 687536700.

The previous prime is 1031305039. The next prime is 1031305061. The reversal of 1031305053 is 3505031301.

It is a happy number.

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 not a de Polignac number, because 1031305053 - 2¹² = 1031300957 is a prime.

It is a super-2 number, since 2×1031305053² = 2127180224686665618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031305063) 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, 171884173 + ... + 171884178.

It is an arithmetic number, because the mean of its divisors is an integer number (343768352).

Almost surely, 2^1031305053 is an apocalyptic number.

It is an amenable number.

1031305053 is a deficient number, since it is larger than the sum of its proper divisors (343768355).

1031305053 is an equidigital number, since it uses as much as digits as its factorization.

1031305053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343768354.

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 1031305053 is about 32113.9386092706. The cubic root of 1031305053 is about 1010.3279832103.

Adding to 1031305053 its reverse (3505031301), we get a palindrome (4536336354).

The spelling of 1031305053 in words is "one billion, thirty-one million, three hundred five thousand, fifty-three".