1331011023 has 8 divisors (see below), whose sum is σ = 1776096000. Its totient is φ = 886633368.

The previous prime is 1331011007. The next prime is 1331011037. The reversal of 1331011023 is 3201101331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1331011023 - 2⁴ = 1331011007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1331010993 and 1331011011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331011223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172423 + ... + 179976.

It is an arithmetic number, because the mean of its divisors is an integer number (222012000).

Almost surely, 2^1331011023 is an apocalyptic number.

1331011023 is a deficient number, since it is larger than the sum of its proper divisors (445084977).

1331011023 is a wasteful number, since it uses less digits than its factorization.

1331011023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353661.

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

The square root of 1331011023 is about 36483.0237644853. The cubic root of 1331011023 is about 1100.0030366307.

Adding to 1331011023 its reverse (3201101331), we get a palindrome (4532112354).

The spelling of 1331011023 in words is "one billion, three hundred thirty-one million, eleven thousand, twenty-three".