1031222230372 has 6 divisors (see below), whose sum is σ = 1804638903158. Its totient is φ = 515611115184.

The previous prime is 1031222230331. The next prime is 1031222230373. The reversal of 1031222230372 is 2730322221301.

It can be written as a sum of positive squares in only one way, i.e., 905740503616 + 125481726756 = 951704^2 + 354234^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1031222230372.

It is not an unprimeable number, because it can be changed into a prime (1031222230373) by changing a digit.

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, 128902778793 + ... + 128902778800.

Almost surely, 2^{1031222230372} is an apocalyptic number.

It is an amenable number.

1031222230372 is a deficient number, since it is larger than the sum of its proper divisors (773416672786).

1031222230372 is a wasteful number, since it uses less digits than its factorization.

1031222230372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257805557597 (or 257805557595 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 1031222230372 its reverse (2730322221301), we get a palindrome (3761544451673).

The spelling of 1031222230372 in words is "one trillion, thirty-one billion, two hundred twenty-two million, two hundred thirty thousand, three hundred seventy-two".