2152031331 has 8 divisors (see below), whose sum is σ = 2871623680. Its totient is φ = 1433563272.

The previous prime is 2152031293. The next prime is 2152031369. The reversal of 2152031331 is 1331302512.

It is an interprime number because it is at equal distance from previous prime (2152031293) and next prime (2152031369).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2152031331 - 2⁶ = 2152031267 is a prime.

It is a super-2 number, since 2×2152031331² = 9262477699211263122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2152031298 and 2152031307.

It is not an unprimeable number, because it can be changed into a prime (2152031831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276595 + ... + 284268.

It is an arithmetic number, because the mean of its divisors is an integer number (358952960).

Almost surely, 2^2152031331 is an apocalyptic number.

2152031331 is a deficient number, since it is larger than the sum of its proper divisors (719592349).

2152031331 is a wasteful number, since it uses less digits than its factorization.

2152031331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562145.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 2152031331 is about 46389.9917115750. The cubic root of 2152031331 is about 1291.0692276923.

Adding to 2152031331 its reverse (1331302512), we get a palindrome (3483333843).

The spelling of 2152031331 in words is "two billion, one hundred fifty-two million, thirty-one thousand, three hundred thirty-one".