31344401332432 has 20 divisors (see below), whose sum is σ = 60775750202116. Its totient is φ = 15660336764160.

The previous prime is 31344401332417. The next prime is 31344401332501. The reversal of 31344401332432 is 23423310444313.

It can be written as a sum of positive squares in 2 ways, for example, as 27941542272576 + 3402859059856 = 5285976^2 + 1844684^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31344401332391 and 31344401332400.

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, 741472083 + ... + 741514354.

Almost surely, 2^{31344401332432} is an apocalyptic number.

It is an amenable number.

31344401332432 is a deficient number, since it is larger than the sum of its proper divisors (29431348869684).

31344401332432 is a wasteful number, since it uses less digits than its factorization.

31344401332432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482987766 (or 1482987760 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 37.

Adding to 31344401332432 its reverse (23423310444313), we get a palindrome (54767711776745).

The spelling of 31344401332432 in words is "thirty-one trillion, three hundred forty-four billion, four hundred one million, three hundred thirty-two thousand, four hundred thirty-two".