312040141 has 32 divisors (see below), whose sum is σ = 378224640. Its totient is φ = 251856000.

The previous prime is 312040133. The next prime is 312040147. The reversal of 312040141 is 141040213.

It is a cyclic number.

It is not a de Polignac number, because 312040141 - 2³ = 312040133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312040147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2066416 + ... + 2066566.

It is an arithmetic number, because the mean of its divisors is an integer number (11819520).

Almost surely, 2^312040141 is an apocalyptic number.

312040141 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

312040141 is a deficient number, since it is larger than the sum of its proper divisors (66184499).

312040141 is a wasteful number, since it uses less digits than its factorization.

312040141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 312040141 is about 17664.6579644215. The cubic root of 312040141 is about 678.2713742398.

Adding to 312040141 its reverse (141040213), we get a palindrome (453080354).

The spelling of 312040141 in words is "three hundred twelve million, forty thousand, one hundred forty-one".