2151031133243 has 8 divisors (see below), whose sum is σ = 2200772715936. Its totient is φ = 2101756608000.

The previous prime is 2151031133239. The next prime is 2151031133269. The reversal of 2151031133243 is 3423311301512.

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 2151031133243 - 2² = 2151031133239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2151031135243) 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, 116755046 + ... + 116773467.

It is an arithmetic number, because the mean of its divisors is an integer number (275096589492).

Almost surely, 2^{2151031133243} is an apocalyptic number.

2151031133243 is a deficient number, since it is larger than the sum of its proper divisors (49741582693).

2151031133243 is a wasteful number, since it uses less digits than its factorization.

2151031133243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233528725.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 2151031133243 its reverse (3423311301512), we get a palindrome (5574342434755).

The spelling of 2151031133243 in words is "two trillion, one hundred fifty-one billion, thirty-one million, one hundred thirty-three thousand, two hundred forty-three".