150993431 has 2 divisors, whose sum is σ = 150993432. Its totient is φ = 150993430.

The previous prime is 150993397. The next prime is 150993433. The reversal of 150993431 is 134399051.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 150993431 - 2²² = 146799127 is a prime.

It is a super-2 number, since 2×150993431² = 45598032410303522, which contains 22 as substring.

Together with 150993433, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 150993391 and 150993400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150993433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75496715 + 75496716.

It is an arithmetic number, because the mean of its divisors is an integer number (75496716).

Almost surely, 2^150993431 is an apocalyptic number.

150993431 is a deficient number, since it is larger than the sum of its proper divisors (1).

150993431 is an equidigital number, since it uses as much as digits as its factorization.

150993431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 150993431 is about 12287.9384357182. The cubic root of 150993431 is about 532.4996801044.

The spelling of 150993431 in words is "one hundred fifty million, nine hundred ninety-three thousand, four hundred thirty-one".