61313122 has 32 divisors (see below), whose sum is σ = 102558960. Its totient is φ = 27310080.

The previous prime is 61313099. The next prime is 61313123. The reversal of 61313122 is 22131316.

It can be written as a sum of positive squares in 8 ways, for example, as 1390041 + 59923081 = 1179^2 + 7741^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 61313122.

It is not an unprimeable number, because it can be changed into a prime (61313123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120204 + ... + 120712.

Almost surely, 2^61313122 is an apocalyptic number.

61313122 is a deficient number, since it is larger than the sum of its proper divisors (41245838).

61313122 is a wasteful number, since it uses less digits than its factorization.

61313122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678.

The product of its digits is 216, while the sum is 19.

The square root of 61313122 is about 7830.2695994455. The cubic root of 61313122 is about 394.3221231294.

Adding to 61313122 its reverse (22131316), we get a palindrome (83444438).

The spelling of 61313122 in words is "sixty-one million, three hundred thirteen thousand, one hundred twenty-two".