1013031297 has 18 divisors (see below), whose sum is σ = 1529661042. Its totient is φ = 645987936.

The previous prime is 1013031287. The next prime is 1013031301. The reversal of 1013031297 is 7921303101.

It can be written as a sum of positive squares in only one way, i.e., 1011812481 + 1218816 = 31809^2 + 1104^2 .

It is not a de Polignac number, because 1013031297 - 2⁶ = 1013031233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1013031297.

It is not an unprimeable number, because it can be changed into a prime (1013031247) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 101628 + ... + 111149.

It is an arithmetic number, because the mean of its divisors is an integer number (84981169).

Almost surely, 2^1013031297 is an apocalyptic number.

It is an amenable number.

1013031297 is a deficient number, since it is larger than the sum of its proper divisors (516629745).

1013031297 is a wasteful number, since it uses less digits than its factorization.

1013031297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212829 (or 212803 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 1013031297 is about 31828.1525854078. The cubic root of 1013031297 is about 1004.3250327901.

Adding to 1013031297 its reverse (7921303101), we get a palindrome (8934334398).

The spelling of 1013031297 in words is "one billion, thirteen million, thirty-one thousand, two hundred ninety-seven".