113131212122301 has 4 divisors (see below), whose sum is σ = 150841616163072. Its totient is φ = 75420808081532.

The previous prime is 113131212122287. The next prime is 113131212122359. The reversal of 113131212122301 is 103221212131311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113131212122301 - 2¹⁸ = 113131211860157 is a prime.

It is a super-2 number, since 2×113131212122301² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113131212122501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18855202020381 + ... + 18855202020386.

It is an arithmetic number, because the mean of its divisors is an integer number (37710404040768).

Almost surely, 2^{113131212122301} is an apocalyptic number.

It is an amenable number.

113131212122301 is a deficient number, since it is larger than the sum of its proper divisors (37710404040771).

113131212122301 is an equidigital number, since it uses as much as digits as its factorization.

113131212122301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37710404040770.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 113131212122301 its reverse (103221212131311), we get a palindrome (216352424253612).

The spelling of 113131212122301 in words is "one hundred thirteen trillion, one hundred thirty-one billion, two hundred twelve million, one hundred twenty-two thousand, three hundred one".