1031224420100 has 72 divisors (see below), whose sum is σ = 2564807300160. Its totient is φ = 352543662720.

The previous prime is 1031224420007. The next prime is 1031224420141. The reversal of 1031224420100 is 10244221301.

It is a super-2 number, since 2×1031224420100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1879835 + ... + 2365634.

Almost surely, 2^{1031224420100} is an apocalyptic number.

1031224420100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031224420100 is an abundant number, since it is smaller than the sum of its proper divisors (1533582880060).

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

1031224420100 is a wasteful number, since it uses less digits than its factorization.

1031224420100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4245837 (or 4245830 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1031224420100 its reverse (10244221301), we get a palindrome (1041468641401).

The spelling of 1031224420100 in words is "one trillion, thirty-one billion, two hundred twenty-four million, four hundred twenty thousand, one hundred".