31230241332432 has 40 divisors (see below), whose sum is σ = 80817946951296. Its totient is φ = 10392038701056.

The previous prime is 31230241332403. The next prime is 31230241332439. The reversal of 31230241332432 is 23423314203213.

It is a junction number, because it is equal to n+sod(n) for n = 31230241332393 and 31230241332402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31230241332439) 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, 563776488 + ... + 563831879.

Almost surely, 2^{31230241332432} is an apocalyptic number.

It is an amenable number.

31230241332432 is an abundant number, since it is smaller than the sum of its proper divisors (49587705618864).

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

31230241332432 is a wasteful number, since it uses less digits than its factorization.

31230241332432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127608955 (or 1127608949 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 31230241332432 its reverse (23423314203213), we get a palindrome (54653555535645).

The spelling of 31230241332432 in words is "thirty-one trillion, two hundred thirty billion, two hundred forty-one million, three hundred thirty-two thousand, four hundred thirty-two".