2131243320033 has 16 divisors (see below), whose sum is σ = 3157511407360. Its totient is φ = 1420777626768.

The previous prime is 2131243319999. The next prime is 2131243320053. The reversal of 2131243320033 is 3300233421312.

2131243320033 is a `hidden beast` number, since 2 + 13 + 12 + 433 + 200 + 3 + 3 = 666.

It is not a de Polignac number, because 2131243320033 - 2¹⁷ = 2131243188961 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2131243319979 and 2131243320006.

It is not an unprimeable number, because it can be changed into a prime (2131243320053) 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, 653785 + ... + 2165622.

It is an arithmetic number, because the mean of its divisors is an integer number (197344462960).

Almost surely, 2^{2131243320033} is an apocalyptic number.

It is an amenable number.

2131243320033 is a deficient number, since it is larger than the sum of its proper divisors (1026268087327).

2131243320033 is a wasteful number, since it uses less digits than its factorization.

2131243320033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847413 (or 2847407 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 2131243320033 its reverse (3300233421312), we get a palindrome (5431476741345).

The spelling of 2131243320033 in words is "two trillion, one hundred thirty-one billion, two hundred forty-three million, three hundred twenty thousand, thirty-three".