151214320531 has 4 divisors (see below), whose sum is σ = 159172969000. Its totient is φ = 143255672064.

The previous prime is 151214320529. The next prime is 151214320547. The reversal of 151214320531 is 135023412151.

151214320531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 151214320531 - 2¹ = 151214320529 is a prime.

It is a super-2 number, since 2×151214320531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151214320531.

It is not an unprimeable number, because it can be changed into a prime (151212320531) 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 in 3 ways as a sum of consecutive naturals, for example, 3979324206 + ... + 3979324243.

It is an arithmetic number, because the mean of its divisors is an integer number (39793242250).

Almost surely, 2^151214320531 is an apocalyptic number.

151214320531 is a deficient number, since it is larger than the sum of its proper divisors (7958648469).

151214320531 is an equidigital number, since it uses as much as digits as its factorization.

151214320531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7958648468.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 151214320531 its reverse (135023412151), we get a palindrome (286237732682).

The spelling of 151214320531 in words is "one hundred fifty-one billion, two hundred fourteen million, three hundred twenty thousand, five hundred thirty-one".