1031320020232 has 8 divisors (see below), whose sum is σ = 1933725037950. Its totient is φ = 515660010112.

The previous prime is 1031320020167. The next prime is 1031320020277. The reversal of 1031320020232 is 2320200231301.

It can be written as a sum of positive squares in only one way, i.e., 954853391556 + 76466628676 = 977166^2 + 276526^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64457501257 + ... + 64457501272.

Almost surely, 2^{1031320020232} is an apocalyptic number.

It is an amenable number.

1031320020232 is a deficient number, since it is larger than the sum of its proper divisors (902405017718).

1031320020232 is a wasteful number, since it uses less digits than its factorization.

1031320020232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128915002535 (or 128915002531 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1031320020232 its reverse (2320200231301), we get a palindrome (3351520251533).

The spelling of 1031320020232 in words is "one trillion, thirty-one billion, three hundred twenty million, twenty thousand, two hundred thirty-two".