2131055432 has 32 divisors (see below), whose sum is σ = 4548502080. Its totient is φ = 926544960.

The previous prime is 2131055431. The next prime is 2131055467. The reversal of 2131055432 is 2345501312.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2131055431) 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, 524423 + ... + 528470.

It is an arithmetic number, because the mean of its divisors is an integer number (142140690).

Almost surely, 2^2131055432 is an apocalyptic number.

2131055432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2131055432 is an abundant number, since it is smaller than the sum of its proper divisors (2417446648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2131055432 is a wasteful number, since it uses less digits than its factorization.

2131055432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052933 (or 1052929 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2131055432 is about 46163.3559438653. The cubic root of 2131055432 is about 1286.8608309748.

Adding to 2131055432 its reverse (2345501312), we get a palindrome (4476556744).

The spelling of 2131055432 in words is "two billion, one hundred thirty-one million, fifty-five thousand, four hundred thirty-two".