1031305052 has 6 divisors (see below), whose sum is σ = 1804783848. Its totient is φ = 515652524.

The previous prime is 1031305039. The next prime is 1031305061. The reversal of 1031305052 is 2505031301.

It is a super-2 number, since 2×1031305052² = 2127180220561445408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128913128 + ... + 128913135.

It is an arithmetic number, because the mean of its divisors is an integer number (300797308).

Almost surely, 2^1031305052 is an apocalyptic number.

It is an amenable number.

1031305052 is a deficient number, since it is larger than the sum of its proper divisors (773478796).

1031305052 is a wasteful number, since it uses less digits than its factorization.

1031305052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257826267 (or 257826265 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 1031305052 is about 32113.9385937010. The cubic root of 1031305052 is about 1010.3279828838.

Adding to 1031305052 its reverse (2505031301), we get a palindrome (3536336353).

The spelling of 1031305052 in words is "one billion, thirty-one million, three hundred five thousand, fifty-two".