1013222031 has 4 divisors (see below), whose sum is σ = 1350962712. Its totient is φ = 675481352.

The previous prime is 1013222027. The next prime is 1013222033. The reversal of 1013222031 is 1302223101.

1013222031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1013222031 - 2² = 1013222027 is a prime.

It is a super-2 number, since 2×1013222031² = 2053237768207529922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1013222031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013222033) 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, 168870336 + ... + 168870341.

It is an arithmetic number, because the mean of its divisors is an integer number (337740678).

Almost surely, 2^1013222031 is an apocalyptic number.

1013222031 is a deficient number, since it is larger than the sum of its proper divisors (337740681).

1013222031 is an equidigital number, since it uses as much as digits as its factorization.

1013222031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337740680.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1013222031 is about 31831.1487540114. The cubic root of 1013222031 is about 1004.3880604282.

Adding to 1013222031 its reverse (1302223101), we get a palindrome (2315445132).

The spelling of 1013222031 in words is "one billion, thirteen million, two hundred twenty-two thousand, thirty-one".