151531343 has 2 divisors, whose sum is σ = 151531344. Its totient is φ = 151531342.

The previous prime is 151531333. The next prime is 151531349. The reversal of 151531343 is 343135151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151531343 - 2⁸ = 151531087 is a prime.

It is a super-2 number, since 2×151531343² = 45923495822767298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151531349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75765671 + 75765672.

It is an arithmetic number, because the mean of its divisors is an integer number (75765672).

Almost surely, 2^151531343 is an apocalyptic number.

151531343 is a deficient number, since it is larger than the sum of its proper divisors (1).

151531343 is an equidigital number, since it uses as much as digits as its factorization.

151531343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 26.

The square root of 151531343 is about 12309.8067815868. The cubic root of 151531343 is about 533.1312715891.

Adding to 151531343 its reverse (343135151), we get a palindrome (494666494).

The spelling of 151531343 in words is "one hundred fifty-one million, five hundred thirty-one thousand, three hundred forty-three".