312000194 has 24 divisors (see below), whose sum is σ = 525377664. Its totient is φ = 138795800.

The previous prime is 312000193. The next prime is 312000223. The reversal of 312000194 is 491000213.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (312000193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2342 + ... + 25089.

It is an arithmetic number, because the mean of its divisors is an integer number (21890736).

Almost surely, 2^312000194 is an apocalyptic number.

312000194 is a deficient number, since it is larger than the sum of its proper divisors (213377470).

312000194 is a wasteful number, since it uses less digits than its factorization.

312000194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27502 (or 27491 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 312000194 is about 17663.5272241985. The cubic root of 312000194 is about 678.2424291787.

The spelling of 312000194 in words is "three hundred twelve million, one hundred ninety-four", and thus it is an aban number.