2431965381 has 16 divisors (see below), whose sum is σ = 3294107520. Its totient is φ = 1595764800.

The previous prime is 2431965359. The next prime is 2431965391. The reversal of 2431965381 is 1835691342.

It is not a de Polignac number, because 2431965381 - 2⁷ = 2431965253 is a prime.

It is a super-2 number, since 2×2431965381² = 11828911228764950322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431965391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24751 + ... + 74003.

It is an arithmetic number, because the mean of its divisors is an integer number (205881720).

Almost surely, 2^2431965381 is an apocalyptic number.

It is an amenable number.

2431965381 is a deficient number, since it is larger than the sum of its proper divisors (862142139).

2431965381 is a wasteful number, since it uses less digits than its factorization.

2431965381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49516.

The product of its digits is 155520, while the sum is 42.

The square root of 2431965381 is about 49314.9610260416. The cubic root of 2431965381 is about 1344.7837817558.

The spelling of 2431965381 in words is "two billion, four hundred thirty-one million, nine hundred sixty-five thousand, three hundred eighty-one".