131121300233 has 16 divisors (see below), whose sum is σ = 163586282496. Its totient is φ = 102103457040.

The previous prime is 131121300217. The next prime is 131121300259. The reversal of 131121300233 is 332003121131.

It is a cyclic number.

It is not a de Polignac number, because 131121300233 - 2⁴ = 131121300217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131121300283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459941 + ... + 688322.

It is an arithmetic number, because the mean of its divisors is an integer number (10224142656).

Almost surely, 2^131121300233 is an apocalyptic number.

It is an amenable number.

131121300233 is a deficient number, since it is larger than the sum of its proper divisors (32464982263).

131121300233 is a wasteful number, since it uses less digits than its factorization.

131121300233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149764.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 131121300233 its reverse (332003121131), we get a palindrome (463124421364).

The spelling of 131121300233 in words is "one hundred thirty-one billion, one hundred twenty-one million, three hundred thousand, two hundred thirty-three".