312312102 has 16 divisors (see below), whose sum is σ = 633422592. Its totient is φ = 102637640.

The previous prime is 312312097. The next prime is 312312103. The reversal of 312312102 is 201213213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312312103) 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, 366138 + ... + 366989.

It is an arithmetic number, because the mean of its divisors is an integer number (39588912).

Almost surely, 2^312312102 is an apocalyptic number.

312312102 is an abundant number, since it is smaller than the sum of its proper divisors (321110490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312312102 is a wasteful number, since it uses less digits than its factorization.

312312102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733203.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 312312102 is about 17672.3541725487. The cubic root of 312312102 is about 678.4683679091.

Adding to 312312102 its reverse (201213213), we get a palindrome (513525315).

It can be divided in two parts, 31231 and 2102, that added together give a palindrome (33333).

The spelling of 312312102 in words is "three hundred twelve million, three hundred twelve thousand, one hundred two".