2131534153 has 6 divisors (see below), whose sum is σ = 2479539786. Its totient is φ = 1827029232.

The previous prime is 2131534109. The next prime is 2131534157. The reversal of 2131534153 is 3514351312.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2080454544 + 51079609 = 45612^2 + 7147^2 .

It is not a de Polignac number, because 2131534153 - 2²⁵ = 2097979721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131534157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21750300 + ... + 21750397.

It is an arithmetic number, because the mean of its divisors is an integer number (413256631).

Almost surely, 2^2131534153 is an apocalyptic number.

It is an amenable number.

2131534153 is a deficient number, since it is larger than the sum of its proper divisors (348005633).

2131534153 is an equidigital number, since it uses as much as digits as its factorization.

2131534153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43500711 (or 43500704 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 2131534153 is about 46168.5407285091. The cubic root of 2131534153 is about 1286.9571840417.

Adding to 2131534153 its reverse (3514351312), we get a palindrome (5645885465).

The spelling of 2131534153 in words is "two billion, one hundred thirty-one million, five hundred thirty-four thousand, one hundred fifty-three".