2152440031 has 8 divisors (see below), whose sum is σ = 2464029344. Its totient is φ = 1841875200.

The previous prime is 2152440007. The next prime is 2152440053. The reversal of 2152440031 is 1300442512.

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 2152440031 - 2⁷ = 2152439903 is a prime.

It is a super-2 number, since 2×2152440031² = 9265996174102561922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2152439984 and 2152440011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152440071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251610 + ... + 260023.

It is an arithmetic number, because the mean of its divisors is an integer number (308003668).

Almost surely, 2^2152440031 is an apocalyptic number.

2152440031 is a deficient number, since it is larger than the sum of its proper divisors (311589313).

2152440031 is an equidigital number, since it uses as much as digits as its factorization.

2152440031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512241.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2152440031 is about 46394.3965474280. The cubic root of 2152440031 is about 1291.1509530504.

Adding to 2152440031 its reverse (1300442512), we get a palindrome (3452882543).

The spelling of 2152440031 in words is "two billion, one hundred fifty-two million, four hundred forty thousand, thirty-one".