1031222203240 has 16 divisors (see below), whose sum is σ = 2320249957380. Its totient is φ = 412488881280.

The previous prime is 1031222203201. The next prime is 1031222203261. The reversal of 1031222203240 is 423022221301.

It can be written as a sum of positive squares in 2 ways, for example, as 1031146826116 + 75377124 = 1015454^2 + 8682^2 .

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, 12890277501 + ... + 12890277580.

Almost surely, 2^{1031222203240} is an apocalyptic number.

1031222203240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031222203240 is an abundant number, since it is smaller than the sum of its proper divisors (1289027754140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031222203240 is a wasteful number, since it uses less digits than its factorization.

1031222203240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25780555092 (or 25780555088 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1031222203240 its reverse (423022221301), we get a palindrome (1454244424541).

The spelling of 1031222203240 in words is "one trillion, thirty-one billion, two hundred twenty-two million, two hundred three thousand, two hundred forty".