1031102042240 has 64 divisors (see below), whose sum is σ = 2501769144960. Its totient is φ = 406284966912.

The previous prime is 1031102042239. The next prime is 1031102042297. The reversal of 1031102042240 is 422402011301.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1031102042240² (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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11980232 + ... + 12065991.

It is an arithmetic number, because the mean of its divisors is an integer number (39090142890).

Almost surely, 2^{1031102042240} is an apocalyptic number.

1031102042240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031102042240 is an abundant number, since it is smaller than the sum of its proper divisors (1470667102720).

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

1031102042240 is an equidigital number, since it uses as much as digits as its factorization.

1031102042240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24046309 (or 24046297 counting only the distinct ones).

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

Adding to 1031102042240 its reverse (422402011301), we get a palindrome (1453504053541).

The spelling of 1031102042240 in words is "one trillion, thirty-one billion, one hundred two million, forty-two thousand, two hundred forty".