2131053436 has 12 divisors (see below), whose sum is σ = 3729736080. Its totient is φ = 1065414560.

The previous prime is 2131053403. The next prime is 2131053437. The reversal of 2131053436 is 6343501312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131053437) 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, 26496 + ... + 70456.

It is an arithmetic number, because the mean of its divisors is an integer number (310811340).

Almost surely, 2^2131053436 is an apocalyptic number.

It is an amenable number.

2131053436 is a deficient number, since it is larger than the sum of its proper divisors (1598682644).

2131053436 is a wasteful number, since it uses less digits than its factorization.

2131053436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56084 (or 56082 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 2131053436 is about 46163.3343249813. The cubic root of 2131053436 is about 1286.8604292060.

Adding to 2131053436 its reverse (6343501312), we get a palindrome (8474554748).

The spelling of 2131053436 in words is "two billion, one hundred thirty-one million, fifty-three thousand, four hundred thirty-six".