61113103 has 2 divisors, whose sum is σ = 61113104. Its totient is φ = 61113102.

The previous prime is 61113089. The next prime is 61113131. The reversal of 61113103 is 30131116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61113103 - 2⁵ = 61113071 is a prime.

It is a super-2 number, since 2×61113103² = 7469622716577218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61111103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30556551 + 30556552.

It is an arithmetic number, because the mean of its divisors is an integer number (30556552).

Almost surely, 2^61113103 is an apocalyptic number.

61113103 is a deficient number, since it is larger than the sum of its proper divisors (1).

61113103 is an equidigital number, since it uses as much as digits as its factorization.

61113103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 61113103 is about 7817.4870003090. The cubic root of 61113103 is about 393.8928629825.

Adding to 61113103 its reverse (30131116), we get a palindrome (91244219).

It can be divided in two parts, 61113 and 103, that added together give a palindrome (61216).

The spelling of 61113103 in words is "sixty-one million, one hundred thirteen thousand, one hundred three".