312132097 has 4 divisors (see below), whose sum is σ = 313700800. Its totient is φ = 310563396.

The previous prime is 312132083. The next prime is 312132101. The reversal of 312132097 is 790231213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312132097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312132077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 784053 + ... + 784450.

It is an arithmetic number, because the mean of its divisors is an integer number (78425200).

Almost surely, 2^312132097 is an apocalyptic number.

It is an amenable number.

312132097 is a deficient number, since it is larger than the sum of its proper divisors (1568703).

312132097 is a wasteful number, since it uses less digits than its factorization.

312132097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568702.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 312132097 is about 17667.2605969347. The cubic root of 312132097 is about 678.3379949386.

The spelling of 312132097 in words is "three hundred twelve million, one hundred thirty-two thousand, ninety-seven".