312142011 has 8 divisors (see below), whose sum is σ = 417184320. Its totient is φ = 207597192.

The previous prime is 312141967. The next prime is 312142043. The reversal of 312142011 is 110241213.

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

It is not a de Polignac number, because 312142011 - 2¹⁵ = 312109243 is a prime.

It is a super-2 number, since 2×312142011² = 194865270062248242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312142211) 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, 122905 + ... + 125418.

It is an arithmetic number, because the mean of its divisors is an integer number (52148040).

Almost surely, 2^312142011 is an apocalyptic number.

312142011 is a deficient number, since it is larger than the sum of its proper divisors (105042309).

312142011 is a wasteful number, since it uses less digits than its factorization.

312142011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248745.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 312142011 is about 17667.5411701799. The cubic root of 312142011 is about 678.3451766967.

Adding to 312142011 its reverse (110241213), we get a palindrome (422383224).

The spelling of 312142011 in words is "three hundred twelve million, one hundred forty-two thousand, eleven".