61103030 has 16 divisors (see below), whose sum is σ = 110093904. Its totient is φ = 24417120.

The previous prime is 61103027. The next prime is 61103033. The reversal of 61103030 is 3030116.

It is an interprime number because it is at equal distance from previous prime (61103027) and next prime (61103033).

It is a junction number, because it is equal to n+sod(n) for n = 61102996 and 61103014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61103033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10544 + ... + 15276.

It is an arithmetic number, because the mean of its divisors is an integer number (6880869).

Almost surely, 2^61103030 is an apocalyptic number.

61103030 is a deficient number, since it is larger than the sum of its proper divisors (48990874).

61103030 is a wasteful number, since it uses less digits than its factorization.

61103030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6031.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 61103030 is about 7816.8427130140. The cubic root of 61103030 is about 393.8712205925.

Adding to 61103030 its reverse (3030116), we get a palindrome (64133146).

The spelling of 61103030 in words is "sixty-one million, one hundred three thousand, thirty".