2131514433 has 20 divisors (see below), whose sum is σ = 3186501120. Its totient is φ = 1419944472.

The previous prime is 2131514431. The next prime is 2131514447. The reversal of 2131514433 is 3344151312.

It is a happy number.

2131514433 is a `hidden beast` number, since 213 + 1 + 5 + 1 + 443 + 3 = 666.

It is not a de Polignac number, because 2131514433 - 2¹ = 2131514431 is a prime.

It is a super-2 number, since 2×2131514433² = 9086707556174622978, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2131514397 and 2131514406.

It is not an unprimeable number, because it can be changed into a prime (2131514431) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 107416 + ... + 125702.

It is an arithmetic number, because the mean of its divisors is an integer number (159325056).

Almost surely, 2^2131514433 is an apocalyptic number.

It is an amenable number.

2131514433 is a deficient number, since it is larger than the sum of its proper divisors (1054986687).

2131514433 is a wasteful number, since it uses less digits than its factorization.

2131514433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19738 (or 19729 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 2131514433 is about 46168.3271626772. The cubic root of 2131514433 is about 1286.9532152455.

Adding to 2131514433 its reverse (3344151312), we get a palindrome (5475665745).

The spelling of 2131514433 in words is "two billion, one hundred thirty-one million, five hundred fourteen thousand, four hundred thirty-three".