1000031220102 has 48 divisors (see below), whose sum is σ = 2058960218112. Its totient is φ = 323742933360.

The previous prime is 1000031220101. The next prime is 1000031220107. The reversal of 1000031220102 is 2010221300001.

It is a super-4 number, since 4×1000031220102⁴ (a number of 49 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000031220101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1650843 + ... + 2173785.

It is an arithmetic number, because the mean of its divisors is an integer number (42895004544).

Almost surely, 2^{1000031220102} is an apocalyptic number.

1000031220102 is an abundant number, since it is smaller than the sum of its proper divisors (1058928998010).

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

1000031220102 is an equidigital number, since it uses as much as digits as its factorization.

1000031220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523153 (or 523086 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1000031220102 its reverse (2010221300001), we get a palindrome (3010252520103).

The spelling of 1000031220102 in words is "one trillion, thirty-one million, two hundred twenty thousand, one hundred two".