1230031 has 4 divisors (see below), whose sum is σ = 1341864. Its totient is φ = 1118200.

The previous prime is 1230029. The next prime is 1230067. The reversal of 1230031 is 1300321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1300321 = 11 ⋅118211.

It is a cyclic number.

It is not a de Polignac number, because 1230031 - 2¹ = 1230029 is a prime.

It is a super-2 number, since 2×1230031² = 3025952521922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55900 + ... + 55921.

It is an arithmetic number, because the mean of its divisors is an integer number (335466).

2^1230031 is an apocalyptic number.

1230031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1230031 is a deficient number, since it is larger than the sum of its proper divisors (111833).

1230031 is a wasteful number, since it uses less digits than its factorization.

1230031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111832.

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

The square root of 1230031 is about 1109.0676264322. The cubic root of 1230031 is about 107.1450270883.

Adding to 1230031 its reverse (1300321), we get a palindrome (2530352).

It can be divided in two parts, 1 and 230031, that added together give a palindrome (230032).

The spelling of 1230031 in words is "one million, two hundred thirty thousand, thirty-one".