61344231 has 8 divisors (see below), whose sum is σ = 88084080. Its totient is φ = 37750272.

The previous prime is 61344191. The next prime is 61344233. The reversal of 61344231 is 13244316.

61344231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 61344231 - 2⁶ = 61344167 is a prime.

It is a super-2 number, since 2×61344231² = 7526229353962722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61344233) 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 7 ways as a sum of consecutive naturals, for example, 786426 + ... + 786503.

It is an arithmetic number, because the mean of its divisors is an integer number (11010510).

Almost surely, 2^61344231 is an apocalyptic number.

61344231 is a deficient number, since it is larger than the sum of its proper divisors (26739849).

61344231 is a wasteful number, since it uses less digits than its factorization.

61344231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572945.

The product of its digits is 1728, while the sum is 24.

The square root of 61344231 is about 7832.2558053220. The cubic root of 61344231 is about 394.3888021286.

Adding to 61344231 its reverse (13244316), we get a palindrome (74588547).

It can be divided in two parts, 613 and 44231, that added together give a palindrome (44844).

The spelling of 61344231 in words is "sixty-one million, three hundred forty-four thousand, two hundred thirty-one".