1031010213120 has 72 divisors (see below), whose sum is σ = 3292788880416. Its totient is φ = 274936055808.

The previous prime is 1031010213109. The next prime is 1031010213127. The reversal of 1031010213120 is 213120101301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1031010213120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031010213127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134242282 + ... + 134249961.

Almost surely, 2^{1031010213120} is an apocalyptic number.

1031010213120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031010213120 is an abundant number, since it is smaller than the sum of its proper divisors (2261778667296).

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

1031010213120 is an equidigital number, since it uses as much as digits as its factorization.

1031010213120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268492267 (or 268492253 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1031010213120 its reverse (213120101301), we get a palindrome (1244130314421).

The spelling of 1031010213120 in words is "one trillion, thirty-one billion, ten million, two hundred thirteen thousand, one hundred twenty".