312332211213401 has 4 divisors (see below), whose sum is σ = 330704694225972. Its totient is φ = 293959728200832.

The previous prime is 312332211213389. The next prime is 312332211213481. The reversal of 312332211213401 is 104312112233213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 222364045839376 + 89968165374025 = 14911876^2 + 9485155^2 .

It is a de Polignac number, because none of the positive numbers 2^k-312332211213401 is a prime.

It is a super-2 number, since 2×312332211213401² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312332211213481) 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, 9186241506260 + ... + 9186241506293.

It is an arithmetic number, because the mean of its divisors is an integer number (82676173556493).

Almost surely, 2^{312332211213401} is an apocalyptic number.

It is an amenable number.

312332211213401 is a deficient number, since it is larger than the sum of its proper divisors (18372483012571).

312332211213401 is a wasteful number, since it uses less digits than its factorization.

312332211213401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18372483012570.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 312332211213401 its reverse (104312112233213), we get a palindrome (416644323446614).

The spelling of 312332211213401 in words is "three hundred twelve trillion, three hundred thirty-two billion, two hundred eleven million, two hundred thirteen thousand, four hundred one".