31023200123132 has 12 divisors (see below), whose sum is σ = 62046400246320. Its totient is φ = 13295657195616.

The previous prime is 31023200123093. The next prime is 31023200123137. The reversal of 31023200123132 is 23132100232013.

31023200123132 is an admirable number.

It is a super-2 number, since 2×31023200123132² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31023200123098 and 31023200123107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31023200123137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553985716457 + ... + 553985716512.

It is an arithmetic number, because the mean of its divisors is an integer number (5170533353860).

Almost surely, 2^{31023200123132} is an apocalyptic number.

It is an amenable number.

31023200123132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31023200123132 is a wasteful number, since it uses less digits than its factorization.

31023200123132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107971432980 (or 1107971432978 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 31023200123132 its reverse (23132100232013), we get a palindrome (54155300355145).

The spelling of 31023200123132 in words is "thirty-one trillion, twenty-three billion, two hundred million, one hundred twenty-three thousand, one hundred thirty-two".