1023031 has 8 divisors (see below), whose sum is σ = 1075328. Its totient is φ = 972000.

The previous prime is 1023019. The next prime is 1023037. The reversal of 1023031 is 1303201.

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

It is a 5-Lehmer number, since φ(1023031) divides (1023031-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 1023031 - 2⁹ = 1022519 is a prime.

It is a super-2 number, since 2×1023031² = 2093184853922, which contains 22 as substring.

1023031 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1022999 and 1023017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1621 + ... + 2161.

It is an arithmetic number, because the mean of its divisors is an integer number (134416).

2^1023031 is an apocalyptic number.

1023031 is the 541-st nonagonal number.

1023031 is a deficient number, since it is larger than the sum of its proper divisors (52297).

1023031 is an equidigital number, since it uses as much as digits as its factorization.

1023031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 1023031 is about 1011.4499493302. The cubic root of 1023031 is about 100.7618806375.

Adding to 1023031 its reverse (1303201), we get a palindrome (2326232).

The spelling of 1023031 in words is "one million, twenty-three thousand, thirty-one".