31321223062132 has 6 divisors (see below), whose sum is σ = 54812140358738. Its totient is φ = 15660611531064.

The previous prime is 31321223062067. The next prime is 31321223062133. The reversal of 31321223062132 is 23126032212313.

It can be written as a sum of positive squares in only one way, i.e., 17497371876196 + 13823851185936 = 4182986^2 + 3718044^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31321223062094 and 31321223062103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31321223062133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3915152882763 + ... + 3915152882770.

Almost surely, 2^{31321223062132} is an apocalyptic number.

It is an amenable number.

31321223062132 is a deficient number, since it is larger than the sum of its proper divisors (23490917296606).

31321223062132 is a wasteful number, since it uses less digits than its factorization.

31321223062132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7830305765537 (or 7830305765535 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 31321223062132 its reverse (23126032212313), we get a palindrome (54447255274445).

The spelling of 31321223062132 in words is "thirty-one trillion, three hundred twenty-one billion, two hundred twenty-three million, sixty-two thousand, one hundred thirty-two".