151040231 has 2 divisors, whose sum is σ = 151040232. Its totient is φ = 151040230.

The previous prime is 151040203. The next prime is 151040273. The reversal of 151040231 is 132040151.

It is a weak prime.

It is an emirp because it is prime and its reverse (132040151) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151040231 is a prime.

It is a super-2 number, since 2×151040231² = 45626302761066722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151042231) 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 as a sum of consecutive naturals, namely, 75520115 + 75520116.

It is an arithmetic number, because the mean of its divisors is an integer number (75520116).

Almost surely, 2^151040231 is an apocalyptic number.

151040231 is a deficient number, since it is larger than the sum of its proper divisors (1).

151040231 is an equidigital number, since it uses as much as digits as its factorization.

151040231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 151040231 is about 12289.8425945982. The cubic root of 151040231 is about 532.5546900268.

Adding to 151040231 its reverse (132040151), we get a palindrome (283080382).

The spelling of 151040231 in words is "one hundred fifty-one million, forty thousand, two hundred thirty-one".