10321131112 has 8 divisors (see below), whose sum is σ = 19352120850. Its totient is φ = 5160565552.

The previous prime is 10321131097. The next prime is 10321131127. The reversal of 10321131112 is 21113112301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10321131097) and next prime (10321131127).

It can be written as a sum of positive squares in only one way, i.e., 9305689156 + 1015441956 = 96466^2 + 31866^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 645070687 + ... + 645070702.

Almost surely, 2^10321131112 is an apocalyptic number.

It is an amenable number.

10321131112 is a deficient number, since it is larger than the sum of its proper divisors (9030989738).

10321131112 is a wasteful number, since it uses less digits than its factorization.

10321131112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290141395 (or 1290141391 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10321131112 its reverse (21113112301), we get a palindrome (31434243413).

The spelling of 10321131112 in words is "ten billion, three hundred twenty-one million, one hundred thirty-one thousand, one hundred twelve".