1011012313 has 4 divisors (see below), whose sum is σ = 1012123008. Its totient is φ = 1009901620.

The previous prime is 1011012307. The next prime is 1011012341. The reversal of 1011012313 is 3132101101.

1011012313 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3132101101 = 379 ⋅8264119.

It is a cyclic number.

It is not a de Polignac number, because 1011012313 - 2⁹ = 1011011801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011012293 and 1011012302.

It is not an unprimeable number, because it can be changed into a prime (1011012913) 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, 553981 + ... + 555802.

It is an arithmetic number, because the mean of its divisors is an integer number (253030752).

Almost surely, 2^1011012313 is an apocalyptic number.

It is an amenable number.

1011012313 is a deficient number, since it is larger than the sum of its proper divisors (1110695).

1011012313 is an equidigital number, since it uses as much as digits as its factorization.

1011012313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110694.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1011012313 is about 31796.4198141866. The cubic root of 1011012313 is about 1003.6573782766.

Adding to 1011012313 its reverse (3132101101), we get a palindrome (4143113414).

The spelling of 1011012313 in words is "one billion, eleven million, twelve thousand, three hundred thirteen".