2151520230383 has 2 divisors, whose sum is σ = 2151520230384. Its totient is φ = 2151520230382.

The previous prime is 2151520230371. The next prime is 2151520230439. The reversal of 2151520230383 is 3830320251512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2151520230383 - 2¹⁸ = 2151519968239 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2151520200383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075760115191 + 1075760115192.

It is an arithmetic number, because the mean of its divisors is an integer number (1075760115192).

Almost surely, 2^{2151520230383} is an apocalyptic number.

2151520230383 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151520230383 is an equidigital number, since it uses as much as digits as its factorization.

2151520230383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 2151520230383 its reverse (3830320251512), we get a palindrome (5981840481895).

The spelling of 2151520230383 in words is "two trillion, one hundred fifty-one billion, five hundred twenty million, two hundred thirty thousand, three hundred eighty-three".