31223001303332 has 6 divisors (see below), whose sum is σ = 54640252280838. Its totient is φ = 15611500651664.

The previous prime is 31223001303317. The next prime is 31223001303379. The reversal of 31223001303332 is 23330310032213.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20550391828516 + 10672609474816 = 4533254^2 + 3266896^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3902875162913 + ... + 3902875162920.

It is an arithmetic number, because the mean of its divisors is an integer number (9106708713473).

Almost surely, 2^{31223001303332} is an apocalyptic number.

It is an amenable number.

31223001303332 is a deficient number, since it is larger than the sum of its proper divisors (23417250977506).

31223001303332 is a wasteful number, since it uses less digits than its factorization.

31223001303332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7805750325837 (or 7805750325835 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 31223001303332 its reverse (23330310032213), we get a palindrome (54553311335545).

The spelling of 31223001303332 in words is "thirty-one trillion, two hundred twenty-three billion, one million, three hundred three thousand, three hundred thirty-two".