61342131 has 8 divisors (see below), whose sum is σ = 82177984. Its totient is φ = 40700520.

The previous prime is 61342129. The next prime is 61342139. The reversal of 61342131 is 13124316.

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

It is not a de Polignac number, because 61342131 - 2¹ = 61342129 is a prime.

It is a super-2 number, since 2×61342131² = 7525714071242322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61342098 and 61342107.

It is not an unprimeable number, because it can be changed into a prime (61342139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47821 + ... + 49086.

It is an arithmetic number, because the mean of its divisors is an integer number (10272248).

Almost surely, 2^61342131 is an apocalyptic number.

61342131 is a deficient number, since it is larger than the sum of its proper divisors (20835853).

61342131 is a wasteful number, since it uses less digits than its factorization.

61342131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97121.

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

The square root of 61342131 is about 7832.1217431805. The cubic root of 61342131 is about 394.3843017004.

Adding to 61342131 its reverse (13124316), we get a palindrome (74466447).

The spelling of 61342131 in words is "sixty-one million, three hundred forty-two thousand, one hundred thirty-one".