1012022313 has 4 divisors (see below), whose sum is σ = 1349363088. Its totient is φ = 674681540.

The previous prime is 1012022303. The next prime is 1012022351. The reversal of 1012022313 is 3132202101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1012022313 - 2⁵ = 1012022281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012022292 and 1012022301.

It is not an unprimeable number, because it can be changed into a prime (1012022303) 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, 168670383 + ... + 168670388.

It is an arithmetic number, because the mean of its divisors is an integer number (337340772).

Almost surely, 2^1012022313 is an apocalyptic number.

It is an amenable number.

1012022313 is a deficient number, since it is larger than the sum of its proper divisors (337340775).

1012022313 is an equidigital number, since it uses as much as digits as its factorization.

1012022313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337340774.

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

The square root of 1012022313 is about 31812.2981408134. The cubic root of 1012022313 is about 1003.9914845206.

Adding to 1012022313 its reverse (3132202101), we get a palindrome (4144224414).

The spelling of 1012022313 in words is "one billion, twelve million, twenty-two thousand, three hundred thirteen".