194230961731 has 8 divisors (see below), whose sum is σ = 199745195184. Its totient is φ = 188785228320.

The previous prime is 194230961723. The next prime is 194230961767. The reversal of 194230961731 is 137169032491.

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

It is not a de Polignac number, because 194230961731 - 2³ = 194230961723 is a prime.

It is a super-2 number, since 2×194230961731² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194230061731) 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, 17119260 + ... + 17130601.

It is an arithmetic number, because the mean of its divisors is an integer number (24968149398).

Almost surely, 2^194230961731 is an apocalyptic number.

194230961731 is a deficient number, since it is larger than the sum of its proper divisors (5514233453).

194230961731 is a wasteful number, since it uses less digits than its factorization.

194230961731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34250021.

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 194230961731 in words is "one hundred ninety-four billion, two hundred thirty million, nine hundred sixty-one thousand, seven hundred thirty-one".