61303113 has 6 divisors (see below), whose sum is σ = 88548954. Its totient is φ = 40868736.

The previous prime is 61303103. The next prime is 61303133. The reversal of 61303113 is 31130316.

It can be written as a sum of positive squares in only one way, i.e., 42614784 + 18688329 = 6528^2 + 4323^2 .

It is not a de Polignac number, because 61303113 - 2⁴ = 61303097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61303103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3405720 + ... + 3405737.

It is an arithmetic number, because the mean of its divisors is an integer number (14758159).

Almost surely, 2^61303113 is an apocalyptic number.

It is an amenable number.

61303113 is a deficient number, since it is larger than the sum of its proper divisors (27245841).

61303113 is a wasteful number, since it uses less digits than its factorization.

61303113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6811463 (or 6811460 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 61303113 is about 7829.6304510494. The cubic root of 61303113 is about 394.3006650533.

Adding to 61303113 its reverse (31130316), we get a palindrome (92433429).

It can be divided in two parts, 61303 and 113, that added together give a palindrome (61416).

The spelling of 61303113 in words is "sixty-one million, three hundred three thousand, one hundred thirteen".