151005431 has 2 divisors, whose sum is σ = 151005432. Its totient is φ = 151005430.

The previous prime is 151005409. The next prime is 151005451. The reversal of 151005431 is 134500151.

It is an a-pointer prime, because the next prime (151005451) can be obtained adding 151005431 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151005431 - 2¹⁸ = 150743287 is a prime.

It is a super-2 number, since 2×151005431² = 45605280382991522, 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 (151005451) 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, 75502715 + 75502716.

It is an arithmetic number, because the mean of its divisors is an integer number (75502716).

Almost surely, 2^151005431 is an apocalyptic number.

151005431 is a deficient number, since it is larger than the sum of its proper divisors (1).

151005431 is an equidigital number, since it uses as much as digits as its factorization.

151005431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 151005431 is about 12288.4267097135. The cubic root of 151005431 is about 532.5137862962.

Adding to 151005431 its reverse (134500151), we get a palindrome (285505582).

The spelling of 151005431 in words is "one hundred fifty-one million, five thousand, four hundred thirty-one".