2195341731 has 32 divisors (see below), whose sum is σ = 3670387200. Its totient is φ = 1284625440.

The previous prime is 2195341727. The next prime is 2195341751. The reversal of 2195341731 is 1371435912.

It is not a de Polignac number, because 2195341731 - 2² = 2195341727 is a prime.

It is a super-5 number, since 5×2195341731⁵ (a number of 48 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2195341721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118831 + ... + 136056.

It is an arithmetic number, because the mean of its divisors is an integer number (114699600).

Almost surely, 2^2195341731 is an apocalyptic number.

2195341731 is a deficient number, since it is larger than the sum of its proper divisors (1475045469).

2195341731 is a wasteful number, since it uses less digits than its factorization.

2195341731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254936 (or 254930 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 2195341731 is about 46854.4739699423. The cubic root of 2195341731 is about 1299.6728429213.

The spelling of 2195341731 in words is "two billion, one hundred ninety-five million, three hundred forty-one thousand, seven hundred thirty-one".