131203122011 has 8 divisors (see below), whose sum is σ = 143690512560. Its totient is φ = 119057851872.

The previous prime is 131203121999. The next prime is 131203122077. The reversal of 131203122011 is 110221302131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131203122011 - 2³⁰ = 130129380187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131203122311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85529300 + ... + 85530833.

It is an arithmetic number, because the mean of its divisors is an integer number (17961314070).

Almost surely, 2^131203122011 is an apocalyptic number.

131203122011 is a deficient number, since it is larger than the sum of its proper divisors (12487390549).

131203122011 is a wasteful number, since it uses less digits than its factorization.

131203122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171060205.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 131203122011 its reverse (110221302131), we get a palindrome (241424424142).

The spelling of 131203122011 in words is "one hundred thirty-one billion, two hundred three million, one hundred twenty-two thousand, eleven".