153315431 has 4 divisors (see below), whose sum is σ = 158602200. Its totient is φ = 148028664.

The previous prime is 153315419. The next prime is 153315439. The reversal of 153315431 is 134513351.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153315431 is a prime.

It is a super-2 number, since 2×153315431² = 47011242765431522, which 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 153315431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153315439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2643341 + ... + 2643398.

It is an arithmetic number, because the mean of its divisors is an integer number (39650550).

Almost surely, 2^153315431 is an apocalyptic number.

153315431 is a deficient number, since it is larger than the sum of its proper divisors (5286769).

153315431 is an equidigital number, since it uses as much as digits as its factorization.

153315431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5286768.

The product of its digits is 2700, while the sum is 26.

The square root of 153315431 is about 12382.0608543166. The cubic root of 153315431 is about 535.2154266796.

Adding to 153315431 its reverse (134513351), we get a palindrome (287828782).

The spelling of 153315431 in words is "one hundred fifty-three million, three hundred fifteen thousand, four hundred thirty-one".