101002030320 has 80 divisors (see below), whose sum is σ = 313829726112. Its totient is φ = 26871644160.

The previous prime is 101002030291. The next prime is 101002030331. The reversal of 101002030320 is 23030200101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 101002030296 and 101002030305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382041 + ... + 589880.

Almost surely, 2^101002030320 is an apocalyptic number.

101002030320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101002030320 is an abundant number, since it is smaller than the sum of its proper divisors (212827695792).

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

101002030320 is a wasteful number, since it uses less digits than its factorization.

101002030320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972370 (or 972364 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 101002030320 its reverse (23030200101), we get a palindrome (124032230421).

The spelling of 101002030320 in words is "one hundred one billion, two million, thirty thousand, three hundred twenty".