2151233014331 has 4 divisors (see below), whose sum is σ = 2154708351000. Its totient is φ = 2147757677664.

The previous prime is 2151233014319. The next prime is 2151233014339. The reversal of 2151233014331 is 1334103321512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2151233014331 is a prime.

It is a super-2 number, since 2×2151233014331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2151233014294 and 2151233014303.

It is not an unprimeable number, because it can be changed into a prime (2151233014339) 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, 1737667406 + ... + 1737668643.

It is an arithmetic number, because the mean of its divisors is an integer number (538677087750).

Almost surely, 2^{2151233014331} is an apocalyptic number.

2151233014331 is a deficient number, since it is larger than the sum of its proper divisors (3475336669).

2151233014331 is an equidigital number, since it uses as much as digits as its factorization.

2151233014331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3475336668.

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

Adding to 2151233014331 its reverse (1334103321512), we get a palindrome (3485336335843).

The spelling of 2151233014331 in words is "two trillion, one hundred fifty-one billion, two hundred thirty-three million, fourteen thousand, three hundred thirty-one".