1002132231320 has 32 divisors (see below), whose sum is σ = 2459779114320. Its totient is φ = 364411720320.

The previous prime is 1002132231307. The next prime is 1002132231329. The reversal of 1002132231320 is 231322312001.

1002132231320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 1002132231292 and 1002132231301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002132231329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1138786187 + ... + 1138787066.

Almost surely, 2^{1002132231320} is an apocalyptic number.

1002132231320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002132231320 is an abundant number, since it is smaller than the sum of its proper divisors (1457646883000).

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

1002132231320 is a wasteful number, since it uses less digits than its factorization.

1002132231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277573275 (or 2277573271 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1002132231320 its reverse (231322312001), we get a palindrome (1233454543321).

The spelling of 1002132231320 in words is "one trillion, two billion, one hundred thirty-two million, two hundred thirty-one thousand, three hundred twenty".