61235131313 has 8 divisors (see below), whose sum is σ = 62970076032. Its totient is φ = 59504394096.

The previous prime is 61235131301. The next prime is 61235131319. The reversal of 61235131313 is 31313153216.

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

It is a cyclic number.

It is not a de Polignac number, because 61235131313 - 2²⁰ = 61234082737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61235131319) 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, 1022345 + ... + 1080582.

It is an arithmetic number, because the mean of its divisors is an integer number (7871259504).

Almost surely, 2^61235131313 is an apocalyptic number.

It is an amenable number.

61235131313 is a deficient number, since it is larger than the sum of its proper divisors (1734944719).

61235131313 is a wasteful number, since it uses less digits than its factorization.

61235131313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103751.

The product of its digits is 4860, while the sum is 29.

Adding to 61235131313 its reverse (31313153216), we get a palindrome (92548284529).

The spelling of 61235131313 in words is "sixty-one billion, two hundred thirty-five million, one hundred thirty-one thousand, three hundred thirteen".