312201310431431 has 8 divisors (see below), whose sum is σ = 312757848695904. Its totient is φ = 311645156123520.

The previous prime is 312201310431371. The next prime is 312201310431463. The reversal of 312201310431431 is 134134013102213.

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

It is a cyclic number.

It is not a de Polignac number, because 312201310431431 - 2¹⁰ = 312201310430407 is a prime.

It is a super-2 number, since 2×312201310431431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312201310431394 and 312201310431403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312201310431331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94361435 + ... + 97613948.

It is an arithmetic number, because the mean of its divisors is an integer number (39094731086988).

Almost surely, 2^{312201310431431} is an apocalyptic number.

312201310431431 is a deficient number, since it is larger than the sum of its proper divisors (556538264473).

312201310431431 is a wasteful number, since it uses less digits than its factorization.

312201310431431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191978281.

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

Adding to 312201310431431 its reverse (134134013102213), we get a palindrome (446335323533644).

The spelling of 312201310431431 in words is "three hundred twelve trillion, two hundred one billion, three hundred ten million, four hundred thirty-one thousand, four hundred thirty-one".