61315130 has 16 divisors (see below), whose sum is σ = 110626560. Its totient is φ = 24468432.

The previous prime is 61315129. The next prime is 61315151. The reversal of 61315130 is 3151316.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2594 + ... + 11373.

It is an arithmetic number, because the mean of its divisors is an integer number (6914160).

Almost surely, 2^61315130 is an apocalyptic number.

61315130 is a deficient number, since it is larger than the sum of its proper divisors (49311430).

61315130 is a wasteful number, since it uses less digits than its factorization.

61315130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14413.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 61315130 is about 7830.3978187574. The cubic root of 61315130 is about 394.3264277554.

Adding to 61315130 its reverse (3151316), we get a palindrome (64466446).

The spelling of 61315130 in words is "sixty-one million, three hundred fifteen thousand, one hundred thirty".