10131323203122 has 64 divisors (see below), whose sum is σ = 22276835716608. Its totient is φ = 3046198064000.

The previous prime is 10131323203103. The next prime is 10131323203159. The reversal of 10131323203122 is 22130232313101.

It is a super-2 number, since 2×10131323203122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10131323203092 and 10131323203101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58940422 + ... + 59112062.

It is an arithmetic number, because the mean of its divisors is an integer number (348075558072).

Almost surely, 2^{10131323203122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10131323203122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11138417858304).

10131323203122 is an abundant number, since it is smaller than the sum of its proper divisors (12145512513486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10131323203122 is a wasteful number, since it uses less digits than its factorization.

10131323203122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178615.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 10131323203122 its reverse (22130232313101), we get a palindrome (32261555516223).

The spelling of 10131323203122 in words is "ten trillion, one hundred thirty-one billion, three hundred twenty-three million, two hundred three thousand, one hundred twenty-two".