1013122031 has 4 divisors (see below), whose sum is σ = 1013981064. Its totient is φ = 1012263000.

The previous prime is 1013122007. The next prime is 1013122037. The reversal of 1013122031 is 1302213101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1302213101 = 7 ⋅186030443.

It is a cyclic number.

It is not a de Polignac number, because 1013122031 - 2¹⁴ = 1013105647 is a prime.

It is a super-2 number, since 2×1013122031² = 2052832499395129922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013121997 and 1013122015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013122037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427745 + ... + 430106.

It is an arithmetic number, because the mean of its divisors is an integer number (253495266).

Almost surely, 2^1013122031 is an apocalyptic number.

1013122031 is a deficient number, since it is larger than the sum of its proper divisors (859033).

1013122031 is an equidigital number, since it uses as much as digits as its factorization.

1013122031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859032.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1013122031 is about 31829.5779268277. The cubic root of 1013122031 is about 1004.3550166308.

Adding to 1013122031 its reverse (1302213101), we get a palindrome (2315335132).

The spelling of 1013122031 in words is "one billion, thirteen million, one hundred twenty-two thousand, thirty-one".