2321312233131 has 16 divisors (see below), whose sum is σ = 3531926522400. Its totient is φ = 1505716042464.

The previous prime is 2321312233111. The next prime is 2321312233153. The reversal of 2321312233131 is 1313322131232.

2321312233131 is a `hidden beast` number, since 2 + 32 + 1 + 312 + 2 + 3 + 313 + 1 = 666.

It is not a de Polignac number, because 2321312233131 - 2¹³ = 2321312224939 is a prime.

It is a super-2 number, since 2×2321312233131² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2321312233095 and 2321312233104.

It is not an unprimeable number, because it can be changed into a prime (2321312233111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1161816936 + ... + 1161818933.

It is an arithmetic number, because the mean of its divisors is an integer number (220745407650).

Almost surely, 2^{2321312233131} is an apocalyptic number.

2321312233131 is a deficient number, since it is larger than the sum of its proper divisors (1210614289269).

2321312233131 is a wasteful number, since it uses less digits than its factorization.

2321312233131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323635915 (or 2323635909 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

Adding to 2321312233131 its reverse (1313322131232), we get a palindrome (3634634364363).

The spelling of 2321312233131 in words is "two trillion, three hundred twenty-one billion, three hundred twelve million, two hundred thirty-three thousand, one hundred thirty-one".