281231123310332 has 12 divisors (see below), whose sum is σ = 530012501623416. Its totient is φ = 129798979989360.

The previous prime is 281231123310307. The next prime is 281231123310341. The reversal of 281231123310332 is 233013321132182.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 281231123310292 and 281231123310301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2704145416394 + ... + 2704145416497.

It is an arithmetic number, because the mean of its divisors is an integer number (44167708468618).

Almost surely, 2^{281231123310332} is an apocalyptic number.

It is an amenable number.

281231123310332 is a deficient number, since it is larger than the sum of its proper divisors (248781378313084).

281231123310332 is a wasteful number, since it uses less digits than its factorization.

281231123310332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5408290832908 (or 5408290832906 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 281231123310332 in words is "two hundred eighty-one trillion, two hundred thirty-one billion, one hundred twenty-three million, three hundred ten thousand, three hundred thirty-two".