312312322 has 16 divisors (see below), whose sum is σ = 535707072. Its totient is φ = 133769520.

The previous prime is 312312307. The next prime is 312312337. The reversal of 312312322 is 223213213.

It is an interprime number because it is at equal distance from previous prime (312312307) and next prime (312312337).

It is a self number, because there is not a number n which added to its sum of digits gives 312312322.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22608 + ... + 33700.

It is an arithmetic number, because the mean of its divisors is an integer number (33481692).

Almost surely, 2^312312322 is an apocalyptic number.

312312322 is a deficient number, since it is larger than the sum of its proper divisors (223394750).

312312322 is a wasteful number, since it uses less digits than its factorization.

312312322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13113.

The product of its digits is 432, while the sum is 19.

The square root of 312312322 is about 17672.3603969589. The cubic root of 312312322 is about 678.4685272187.

Adding to 312312322 its reverse (223213213), we get a palindrome (535525535).

The spelling of 312312322 in words is "three hundred twelve million, three hundred twelve thousand, three hundred twenty-two".