1031315245 has 16 divisors (see below), whose sum is σ = 1272152448. Its totient is φ = 802042560.

The previous prime is 1031315213. The next prime is 1031315249. The reversal of 1031315245 is 5425131301.

It is a happy number.

It is not a de Polignac number, because 1031315245 - 2⁵ = 1031315213 is a prime.

It is a super-2 number, since 2×1031315245² = 2127222269138820050, 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 (1031315249) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 321600 + ... + 324790.

It is an arithmetic number, because the mean of its divisors is an integer number (79509528).

Almost surely, 2^1031315245 is an apocalyptic number.

It is an amenable number.

1031315245 is a deficient number, since it is larger than the sum of its proper divisors (240837203).

1031315245 is a wasteful number, since it uses less digits than its factorization.

1031315245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4980.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1031315245 is about 32114.0972938677. The cubic root of 1031315245 is about 1010.3313114299.

Adding to 1031315245 its reverse (5425131301), we get a palindrome (6456446546).

The spelling of 1031315245 in words is "one billion, thirty-one million, three hundred fifteen thousand, two hundred forty-five".