151544031321 has 12 divisors (see below), whose sum is σ = 211225835408. Its totient is φ = 96636772584.

The previous prime is 151544031319. The next prime is 151544031329. The reversal of 151544031321 is 123130445151.

It is not a de Polignac number, because 151544031321 - 2¹ = 151544031319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151544031329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47743855 + ... + 47747028.

Almost surely, 2^151544031321 is an apocalyptic number.

It is an amenable number.

151544031321 is a deficient number, since it is larger than the sum of its proper divisors (59681804087).

151544031321 is an equidigital number, since it uses as much as digits as its factorization.

151544031321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95490932 (or 95490909 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 151544031321 its reverse (123130445151), we get a palindrome (274674476472).

The spelling of 151544031321 in words is "one hundred fifty-one billion, five hundred forty-four million, thirty-one thousand, three hundred twenty-one".