131233123011 has 8 divisors (see below), whose sum is σ = 182585214720. Its totient is φ = 83684889992.

The previous prime is 131233122989. The next prime is 131233123027. The reversal of 131233123011 is 110321332131.

It is a happy number.

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 131233123011 - 2⁶ = 131233122947 is a prime.

It is a super-2 number, since 2×131233123011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131233163011) 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, 950964591 + ... + 950964728.

It is an arithmetic number, because the mean of its divisors is an integer number (22823151840).

Almost surely, 2^131233123011 is an apocalyptic number.

131233123011 is a deficient number, since it is larger than the sum of its proper divisors (51352091709).

131233123011 is a wasteful number, since it uses less digits than its factorization.

131233123011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901929345.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 131233123011 its reverse (110321332131), we get a palindrome (241554455142).

The spelling of 131233123011 in words is "one hundred thirty-one billion, two hundred thirty-three million, one hundred twenty-three thousand, eleven".