234031013 has 2 divisors, whose sum is σ = 234031014. Its totient is φ = 234031012.

The previous prime is 234030991. The next prime is 234031019. The reversal of 234031013 is 310130432.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234028804 + 2209 = 15298^2 + 47^2 .

It is a cyclic number.

It is not a de Polignac number, because 234031013 - 2⁶ = 234030949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234030982 and 234031000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234031019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117015506 + 117015507.

It is an arithmetic number, because the mean of its divisors is an integer number (117015507).

Almost surely, 2^234031013 is an apocalyptic number.

It is an amenable number.

234031013 is a deficient number, since it is larger than the sum of its proper divisors (1).

234031013 is an equidigital number, since it uses as much as digits as its factorization.

234031013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 234031013 is about 15298.0721988099. The cubic root of 234031013 is about 616.2512371555.

Adding to 234031013 its reverse (310130432), we get a palindrome (544161445).

The spelling of 234031013 in words is "two hundred thirty-four million, thirty-one thousand, thirteen".