13131032310 has 128 divisors (see below), whose sum is σ = 38671672320. Its totient is φ = 3183222240.

The previous prime is 13131032303. The next prime is 13131032323. The reversal of 13131032310 is 1323013131.

It is a happy number.

13131032310 is a `hidden beast` number, since 1 + 31 + 310 + 323 + 1 + 0 = 666.

It is a super-2 number, since 2×13131032310² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 213279 + ... + 267861.

It is an arithmetic number, because the mean of its divisors is an integer number (302122440).

Almost surely, 2^13131032310 is an apocalyptic number.

13131032310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13131032310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19335836160).

13131032310 is an abundant number, since it is smaller than the sum of its proper divisors (25540640010).

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

13131032310 is an equidigital number, since it uses as much as digits as its factorization.

13131032310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54622 (or 54604 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 13131032310 its reverse (1323013131), we get a palindrome (14454045441).

The spelling of 13131032310 in words is "thirteen billion, one hundred thirty-one million, thirty-two thousand, three hundred ten".