20131232983 has 2 divisors, whose sum is σ = 20131232984. Its totient is φ = 20131232982.

The previous prime is 20131232971. The next prime is 20131233013. The reversal of 20131232983 is 38923213102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20131232983 - 2⁵ = 20131232951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20131232923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065616491 + 10065616492.

It is an arithmetic number, because the mean of its divisors is an integer number (10065616492).

Almost surely, 2^20131232983 is an apocalyptic number.

20131232983 is a deficient number, since it is larger than the sum of its proper divisors (1).

20131232983 is an equidigital number, since it uses as much as digits as its factorization.

20131232983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 20131232983 in words is "twenty billion, one hundred thirty-one million, two hundred thirty-two thousand, nine hundred eighty-three".