61231134 has 16 divisors (see below), whose sum is σ = 122931072. Its totient is φ = 20332248.

The previous prime is 61231133. The next prime is 61231139. The reversal of 61231134 is 43113216.

It is a self number, because there is not a number n which added to its sum of digits gives 61231134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61231133) 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, 17824 + ... + 20979.

It is an arithmetic number, because the mean of its divisors is an integer number (7683192).

Almost surely, 2^61231134 is an apocalyptic number.

61231134 is an abundant number, since it is smaller than the sum of its proper divisors (61699938).

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

61231134 is a wasteful number, since it uses less digits than its factorization.

61231134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39071.

The product of its digits is 432, while the sum is 21.

The square root of 61231134 is about 7825.0325238941. The cubic root of 61231134 is about 394.1462820135.

The spelling of 61231134 in words is "sixty-one million, two hundred thirty-one thousand, one hundred thirty-four".