131935020603 has 4 divisors (see below), whose sum is σ = 175913360808. Its totient is φ = 87956680400.

The previous prime is 131935020557. The next prime is 131935020611. The reversal of 131935020603 is 306020539131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131935020603 - 2³⁴ = 114755151419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131935020643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21989170098 + ... + 21989170103.

It is an arithmetic number, because the mean of its divisors is an integer number (43978340202).

Almost surely, 2^131935020603 is an apocalyptic number.

131935020603 is a deficient number, since it is larger than the sum of its proper divisors (43978340205).

131935020603 is an equidigital number, since it uses as much as digits as its factorization.

131935020603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43978340204.

The product of its (nonzero) digits is 14580, while the sum is 33.

Adding to 131935020603 its reverse (306020539131), we get a palindrome (437955559734).

The spelling of 131935020603 in words is "one hundred thirty-one billion, nine hundred thirty-five million, twenty thousand, six hundred three".