1023013311 has 4 divisors (see below), whose sum is σ = 1364017752. Its totient is φ = 682008872.

The previous prime is 1023013283. The next prime is 1023013349. The reversal of 1023013311 is 1133103201.

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 1023013311 - 2⁵ = 1023013279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023012311) 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, 170502216 + ... + 170502221.

It is an arithmetic number, because the mean of its divisors is an integer number (341004438).

Almost surely, 2^1023013311 is an apocalyptic number.

1023013311 is a deficient number, since it is larger than the sum of its proper divisors (341004441).

1023013311 is an equidigital number, since it uses as much as digits as its factorization.

1023013311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341004440.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1023013311 is about 31984.5792687664. The cubic root of 1023013311 is about 1007.6129988379.

Adding to 1023013311 its reverse (1133103201), we get a palindrome (2156116512).

The spelling of 1023013311 in words is "one billion, twenty-three million, thirteen thousand, three hundred eleven".