131333101231 has 8 divisors (see below), whose sum is σ = 139088483424. Its totient is φ = 123581041920.

The previous prime is 131333101217. The next prime is 131333101261. The reversal of 131333101231 is 132101333131.

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 131333101231 - 2⁷ = 131333101103 is a prime.

It is a super-2 number, since 2×131333101231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131333101261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749110 + ... + 907651.

It is an arithmetic number, because the mean of its divisors is an integer number (17386060428).

Almost surely, 2^131333101231 is an apocalyptic number.

131333101231 is a deficient number, since it is larger than the sum of its proper divisors (7755382193).

131333101231 is a wasteful number, since it uses less digits than its factorization.

131333101231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661441.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 131333101231 its reverse (132101333131), we get a palindrome (263434434362).

The spelling of 131333101231 in words is "one hundred thirty-one billion, three hundred thirty-three million, one hundred one thousand, two hundred thirty-one".