61311422 has 16 divisors (see below), whose sum is σ = 96314400. Its totient is φ = 29216352.

The previous prime is 61311403. The next prime is 61311451. The reversal of 61311422 is 22411316.

It is a junction number, because it is equal to n+sod(n) for n = 61311394 and 61311403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11204 + ... + 15752.

It is an arithmetic number, because the mean of its divisors is an integer number (6019650).

Almost surely, 2^61311422 is an apocalyptic number.

61311422 is a deficient number, since it is larger than the sum of its proper divisors (35002978).

61311422 is a wasteful number, since it uses less digits than its factorization.

61311422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4867.

The product of its digits is 288, while the sum is 20.

The square root of 61311422 is about 7830.1610455980. The cubic root of 61311422 is about 394.3184787012.

Adding to 61311422 its reverse (22411316), we get a palindrome (83722738).

The spelling of 61311422 in words is "sixty-one million, three hundred eleven thousand, four hundred twenty-two".