312111231010 has 8 divisors (see below), whose sum is σ = 561800215836. Its totient is φ = 124844492400.

The previous prime is 312111231007. The next prime is 312111231023. The reversal of 312111231010 is 10132111213.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 294839226081 + 17272004929 = 542991^2 + 131423^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15605561541 + ... + 15605561560.

Almost surely, 2^312111231010 is an apocalyptic number.

312111231010 is a deficient number, since it is larger than the sum of its proper divisors (249688984826).

312111231010 is a wasteful number, since it uses less digits than its factorization.

312111231010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31211123108.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 312111231010 its reverse (10132111213), we get a palindrome (322243342223).

The spelling of 312111231010 in words is "three hundred twelve billion, one hundred eleven million, two hundred thirty-one thousand, ten".