2131353452 has 12 divisors (see below), whose sum is σ = 3768321480. Its totient is φ = 1054690176.

The previous prime is 2131353451. The next prime is 2131353487. The reversal of 2131353452 is 2543531312.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2131353451) 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, 2746202 + ... + 2746977.

It is an arithmetic number, because the mean of its divisors is an integer number (314026790).

Almost surely, 2^2131353452 is an apocalyptic number.

It is an amenable number.

2131353452 is a deficient number, since it is larger than the sum of its proper divisors (1636968028).

2131353452 is a wasteful number, since it uses less digits than its factorization.

2131353452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5493280 (or 5493278 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 2131353452 is about 46166.5837159303. The cubic root of 2131353452 is about 1286.9208157102.

Adding to 2131353452 its reverse (2543531312), we get a palindrome (4674884764).

The spelling of 2131353452 in words is "two billion, one hundred thirty-one million, three hundred fifty-three thousand, four hundred fifty-two".