61703397231 has 8 divisors (see below), whose sum is σ = 94024224384. Its totient is φ = 35259084120.

The previous prime is 61703397229. The next prime is 61703397289. The reversal of 61703397231 is 13279330716.

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

It is not a de Polignac number, because 61703397231 - 2¹ = 61703397229 is a prime.

It is a super-2 number, since 2×61703397231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61703397031) 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, 1469128485 + ... + 1469128526.

It is an arithmetic number, because the mean of its divisors is an integer number (11753028048).

Almost surely, 2^61703397231 is an apocalyptic number.

61703397231 is a deficient number, since it is larger than the sum of its proper divisors (32320827153).

61703397231 is a wasteful number, since it uses less digits than its factorization.

61703397231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938257021.

The product of its (nonzero) digits is 142884, while the sum is 42.

The spelling of 61703397231 in words is "sixty-one billion, seven hundred three million, three hundred ninety-seven thousand, two hundred thirty-one".