61103130 has 32 divisors (see below), whose sum is σ = 159979968. Its totient is φ = 14812800.

The previous prime is 61103123. The next prime is 61103167. The reversal of 61103130 is 3130116.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92251 + ... + 92910.

It is an arithmetic number, because the mean of its divisors is an integer number (4999374).

Almost surely, 2^61103130 is an apocalyptic number.

61103130 is an abundant number, since it is smaller than the sum of its proper divisors (98876838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61103130 is a wasteful number, since it uses less digits than its factorization.

61103130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185182.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 61103130 is about 7816.8491094558. The cubic root of 61103130 is about 393.8714354596.

Adding to 61103130 its reverse (3130116), we get a palindrome (64233246).

The spelling of 61103130 in words is "sixty-one million, one hundred three thousand, one hundred thirty".