61341374631 has 16 divisors (see below), whose sum is σ = 83343538656. Its totient is φ = 40116950016.

The previous prime is 61341374623. The next prime is 61341374639. The reversal of 61341374631 is 13647314316.

It is an interprime number because it is at equal distance from previous prime (61341374623) and next prime (61341374639).

It is not a de Polignac number, because 61341374631 - 2³ = 61341374623 is a prime.

It is a super-2 number, since 2×61341374631² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61341374631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61341374639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1292091 + ... + 1338723.

It is an arithmetic number, because the mean of its divisors is an integer number (5208971166).

Almost surely, 2^61341374631 is an apocalyptic number.

61341374631 is a deficient number, since it is larger than the sum of its proper divisors (22002164025).

61341374631 is a wasteful number, since it uses less digits than its factorization.

61341374631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54962.

The product of its digits is 108864, while the sum is 39.

Adding to 61341374631 its reverse (13647314316), we get a palindrome (74988688947).

The spelling of 61341374631 in words is "sixty-one billion, three hundred forty-one million, three hundred seventy-four thousand, six hundred thirty-one".