151112731 has 8 divisors (see below), whose sum is σ = 188400384. Its totient is φ = 117750120.

The previous prime is 151112713. The next prime is 151112743. The reversal of 151112731 is 137211151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 151112731 - 2⁹ = 151112219 is a prime.

It is a super-2 number, since 2×151112731² = 45670114940556722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151112831) 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 in 7 ways as a sum of consecutive naturals, for example, 981175 + ... + 981328.

It is an arithmetic number, because the mean of its divisors is an integer number (23550048).

Almost surely, 2^151112731 is an apocalyptic number.

151112731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

151112731 is a deficient number, since it is larger than the sum of its proper divisors (37287653).

151112731 is a wasteful number, since it uses less digits than its factorization.

151112731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962521.

The product of its digits is 210, while the sum is 22.

The square root of 151112731 is about 12292.7918309878. The cubic root of 151112731 is about 532.6398859571.

Adding to 151112731 its reverse (137211151), we get a palindrome (288323882).

The spelling of 151112731 in words is "one hundred fifty-one million, one hundred twelve thousand, seven hundred thirty-one".