231012007 has 2 divisors, whose sum is σ = 231012008. Its totient is φ = 231012006.

The previous prime is 231011987. The next prime is 231012011. The reversal of 231012007 is 700210132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231012007 - 2¹¹ = 231009959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231012407) 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 as a sum of consecutive naturals, namely, 115506003 + 115506004.

It is an arithmetic number, because the mean of its divisors is an integer number (115506004).

Almost surely, 2^231012007 is an apocalyptic number.

231012007 is a deficient number, since it is larger than the sum of its proper divisors (1).

231012007 is an equidigital number, since it uses as much as digits as its factorization.

231012007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 231012007 is about 15199.0791497380. The cubic root of 231012007 is about 613.5898747286.

Adding to 231012007 its reverse (700210132), we get a palindrome (931222139).

The spelling of 231012007 in words is "two hundred thirty-one million, twelve thousand, seven".