151231743247 has 8 divisors (see below), whose sum is σ = 162949323600. Its totient is φ = 139526215680.

The previous prime is 151231743211. The next prime is 151231743253. The reversal of 151231743247 is 742347132151.

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 151231743247 - 2¹⁵ = 151231710479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151231741247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2987122 + ... + 3037327.

It is an arithmetic number, because the mean of its divisors is an integer number (20368665450).

Almost surely, 2^151231743247 is an apocalyptic number.

151231743247 is a deficient number, since it is larger than the sum of its proper divisors (11717580353).

151231743247 is a wasteful number, since it uses less digits than its factorization.

151231743247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6026393.

The product of its digits is 141120, while the sum is 40.

Adding to 151231743247 its reverse (742347132151), we get a palindrome (893578875398).

The spelling of 151231743247 in words is "one hundred fifty-one billion, two hundred thirty-one million, seven hundred forty-three thousand, two hundred forty-seven".