1031322120102 has 24 divisors (see below), whose sum is σ = 2234572179840. Its totient is φ = 343767744720.

The previous prime is 1031322120067. The next prime is 1031322120107. The reversal of 1031322120102 is 2010212231301.

1031322120102 is a `hidden beast` number, since 10 + 313 + 221 + 20 + 102 = 666.

It is a super-2 number, since 2×1031322120102² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031322120107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 544524 + ... + 1535952.

It is an arithmetic number, because the mean of its divisors is an integer number (93107174160).

Almost surely, 2^{1031322120102} is an apocalyptic number.

1031322120102 is an abundant number, since it is smaller than the sum of its proper divisors (1203250059738).

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

1031322120102 is a wasteful number, since it uses less digits than its factorization.

1031322120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049228 (or 1049225 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1031322120102 its reverse (2010212231301), we get a palindrome (3041534351403).

The spelling of 1031322120102 in words is "one trillion, thirty-one billion, three hundred twenty-two million, one hundred twenty thousand, one hundred two".