1331031023 has 8 divisors (see below), whose sum is σ = 1553544192. Its totient is φ = 1116609336.

The previous prime is 1331031001. The next prime is 1331031043. The reversal of 1331031023 is 3201301331.

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

It is a cyclic number.

It is not a de Polignac number, because 1331031023 - 2³⁰ = 257289199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1331030992 and 1331031010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331031043) 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, 2022515 + ... + 2023172.

It is an arithmetic number, because the mean of its divisors is an integer number (194193024).

Almost surely, 2^1331031023 is an apocalyptic number.

1331031023 is a deficient number, since it is larger than the sum of its proper divisors (222513169).

1331031023 is an equidigital number, since it uses as much as digits as its factorization.

1331031023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045741.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1331031023 is about 36483.2978635430. The cubic root of 1331031023 is about 1100.0085462146.

Adding to 1331031023 its reverse (3201301331), we get a palindrome (4532332354).

The spelling of 1331031023 in words is "one billion, three hundred thirty-one million, thirty-one thousand, twenty-three".