61131382 has 8 divisors (see below), whose sum is σ = 98750736. Its totient is φ = 28214472.

The previous prime is 61131319. The next prime is 61131383. The reversal of 61131382 is 28313116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61131383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175578 + ... + 1175629.

It is an arithmetic number, because the mean of its divisors is an integer number (12343842).

Almost surely, 2^61131382 is an apocalyptic number.

61131382 is a deficient number, since it is larger than the sum of its proper divisors (37619354).

61131382 is a wasteful number, since it uses less digits than its factorization.

61131382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351222.

The product of its digits is 864, while the sum is 25.

The square root of 61131382 is about 7818.6560226167. The cubic root of 61131382 is about 393.9321303385.

Adding to 61131382 its reverse (28313116), we get a palindrome (89444498).

The spelling of 61131382 in words is "sixty-one million, one hundred thirty-one thousand, three hundred eighty-two".