2120131432403 has 4 divisors (see below), whose sum is σ = 2120134405368. Its totient is φ = 2120128459440.

The previous prime is 2120131432379. The next prime is 2120131432417. The reversal of 2120131432403 is 3042341310212.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2120131432403 - 2⁸ = 2120131432147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120131432303) 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, 294500 + ... + 2080142.

It is an arithmetic number, because the mean of its divisors is an integer number (530033601342).

Almost surely, 2^{2120131432403} is an apocalyptic number.

2120131432403 is a deficient number, since it is larger than the sum of its proper divisors (2972965).

2120131432403 is a wasteful number, since it uses less digits than its factorization.

2120131432403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2972964.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 2120131432403 its reverse (3042341310212), we get a palindrome (5162472742615).

The spelling of 2120131432403 in words is "two trillion, one hundred twenty billion, one hundred thirty-one million, four hundred thirty-two thousand, four hundred three".