10281331278 has 12 divisors (see below), whose sum is σ = 22276217808. Its totient is φ = 3427110420.

The previous prime is 10281331267. The next prime is 10281331279. The reversal of 10281331278 is 87213318201.

It is a super-2 number, since 2×10281331278² (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 (10281331279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 285592518 + ... + 285592553.

It is an arithmetic number, because the mean of its divisors is an integer number (1856351484).

Almost surely, 2^10281331278 is an apocalyptic number.

10281331278 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10281331278 is an abundant number, since it is smaller than the sum of its proper divisors (11994886530).

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

10281331278 is a wasteful number, since it uses less digits than its factorization.

10281331278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571185079 (or 571185076 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

Adding to 10281331278 its reverse (87213318201), we get a palindrome (97494649479).

The spelling of 10281331278 in words is "ten billion, two hundred eighty-one million, three hundred thirty-one thousand, two hundred seventy-eight".