61134311 has 12 divisors (see below), whose sum is σ = 71811792. Its totient is φ = 51887808.

The previous prime is 61134287. The next prime is 61134317. The reversal of 61134311 is 11343116.

It is not a de Polignac number, because 61134311 - 2⁶ = 61134247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61134317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1010 + ... + 11103.

It is an arithmetic number, because the mean of its divisors is an integer number (5984316).

Almost surely, 2^61134311 is an apocalyptic number.

61134311 is a deficient number, since it is larger than the sum of its proper divisors (10677481).

61134311 is a wasteful number, since it uses less digits than its factorization.

61134311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12230 (or 12223 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

The square root of 61134311 is about 7818.8433287795. The cubic root of 61134311 is about 393.9384217540.

Adding to 61134311 its reverse (11343116), we get a palindrome (72477427).

The spelling of 61134311 in words is "sixty-one million, one hundred thirty-four thousand, three hundred eleven".