312031132113301 has 4 divisors (see below), whose sum is σ = 330385904590572. Its totient is φ = 293676359636032.

The previous prime is 312031132113299. The next prime is 312031132113307. The reversal of 312031132113301 is 103311231130213.

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 105610357356100 + 206420774757201 = 10276690^2 + 14367351^2 .

It is a cyclic number.

It is not a de Polignac number, because 312031132113301 - 2¹ = 312031132113299 is a prime.

It is a super-2 number, since 2×312031132113301² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312031132113307) 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, 9177386238610 + ... + 9177386238643.

It is an arithmetic number, because the mean of its divisors is an integer number (82596476147643).

Almost surely, 2^{312031132113301} is an apocalyptic number.

It is an amenable number.

312031132113301 is a deficient number, since it is larger than the sum of its proper divisors (18354772477271).

312031132113301 is a wasteful number, since it uses less digits than its factorization.

312031132113301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18354772477270.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 312031132113301 its reverse (103311231130213), we get a palindrome (415342363243514).

The spelling of 312031132113301 in words is "three hundred twelve trillion, thirty-one billion, one hundred thirty-two million, one hundred thirteen thousand, three hundred one".