31323110200131 has 8 divisors (see below), whose sum is σ = 41765074937680. Its totient is φ = 20881609464672.

The previous prime is 31323110200127. The next prime is 31323110200153. The reversal of 31323110200131 is 13100201132313.

It is a happy number.

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

It is not a de Polignac number, because 31323110200131 - 2² = 31323110200127 is a prime.

It is a super-2 number, since 2×31323110200131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31323110200098 and 31323110200107.

It is not an unprimeable number, because it can be changed into a prime (31323110200531) 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, 115842976 + ... + 116113053.

It is an arithmetic number, because the mean of its divisors is an integer number (5220634367210).

Almost surely, 2^{31323110200131} is an apocalyptic number.

31323110200131 is a deficient number, since it is larger than the sum of its proper divisors (10441964737549).

31323110200131 is a wasteful number, since it uses less digits than its factorization.

31323110200131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232001045.

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

Adding to 31323110200131 its reverse (13100201132313), we get a palindrome (44423311332444).

The spelling of 31323110200131 in words is "thirty-one trillion, three hundred twenty-three billion, one hundred ten million, two hundred thousand, one hundred thirty-one".