230040031 has 8 divisors (see below), whose sum is σ = 250009760. Its totient is φ = 210395232.

The previous prime is 230040001. The next prime is 230040037. The reversal of 230040031 is 130040032.

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 230040031 - 2¹³ = 230031839 is a prime.

It is a super-2 number, since 2×230040031² = 105836831724961922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 230039993 and 230040020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230040037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79755 + ... + 82588.

It is an arithmetic number, because the mean of its divisors is an integer number (31251220).

Almost surely, 2^230040031 is an apocalyptic number.

230040031 is a deficient number, since it is larger than the sum of its proper divisors (19969729).

230040031 is a wasteful number, since it uses less digits than its factorization.

230040031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162465.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 230040031 is about 15167.0706136683. The cubic root of 230040031 is about 612.7281113973.

Adding to 230040031 its reverse (130040032), we get a palindrome (360080063).

Subtracting from 230040031 its reverse (130040032), we obtain a palindrome (99999999).

The spelling of 230040031 in words is "two hundred thirty million, forty thousand, thirty-one".