131230311133 has 8 divisors (see below), whose sum is σ = 135506475776. Its totient is φ = 126956829600.

The previous prime is 131230311127. The next prime is 131230311137. The reversal of 131230311133 is 331113032131.

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

It is not a de Polignac number, because 131230311133 - 2⁹ = 131230310621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131230311137) 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, 571128 + ... + 767233.

It is an arithmetic number, because the mean of its divisors is an integer number (16938309472).

Almost surely, 2^131230311133 is an apocalyptic number.

It is an amenable number.

131230311133 is a deficient number, since it is larger than the sum of its proper divisors (4276164643).

131230311133 is a wasteful number, since it uses less digits than its factorization.

131230311133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341555.

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

Adding to 131230311133 its reverse (331113032131), we get a palindrome (462343343264).

The spelling of 131230311133 in words is "one hundred thirty-one billion, two hundred thirty million, three hundred eleven thousand, one hundred thirty-three".