10131323202 has 432 divisors, whose sum is σ = 31164823872. Its totient is φ = 2349285120.

The previous prime is 10131323201. The next prime is 10131323219. The reversal of 10131323202 is 20232313101.

10131323202 is a `hidden beast` number, since 10 + 131 + 323 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10131323201) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 60666523 + ... + 60666689.

It is an arithmetic number, because the mean of its divisors is an integer number (72140796).

Almost surely, 2^10131323202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10131323202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15582411936).

10131323202 is an abundant number, since it is smaller than the sum of its proper divisors (21033500670).

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

10131323202 is a wasteful number, since it uses less digits than its factorization.

10131323202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10131323202 its reverse (20232313101), we get a palindrome (30363636303).

It can be divided in two parts, 10131 and 323202, that added together give a palindrome (333333).

The spelling of 10131323202 in words is "ten billion, one hundred thirty-one million, three hundred twenty-three thousand, two hundred two".