10085131381 has 8 divisors (see below), whose sum is σ = 10991766240. Its totient is φ = 9197190192.

The previous prime is 10085131351. The next prime is 10085131409. The reversal of 10085131381 is 18313158001.

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

It is a cyclic number.

It is not a de Polignac number, because 10085131381 - 2⁵ = 10085131349 is a prime.

It is a super-2 number, since 2×10085131381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10085131351) 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, 4672291 + ... + 4674448.

It is an arithmetic number, because the mean of its divisors is an integer number (1373970780).

Almost surely, 2^10085131381 is an apocalyptic number.

It is an amenable number.

10085131381 is a deficient number, since it is larger than the sum of its proper divisors (906634859).

10085131381 is an equidigital number, since it uses as much as digits as its factorization.

10085131381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9346835.

The product of its (nonzero) digits is 2880, while the sum is 31.

Adding to 10085131381 its reverse (18313158001), we get a palindrome (28398289382).

The spelling of 10085131381 in words is "ten billion, eighty-five million, one hundred thirty-one thousand, three hundred eighty-one".