1001002322231 has 32 divisors (see below), whose sum is σ = 1173063513600. Its totient is φ = 847210890240.

The previous prime is 1001002322191. The next prime is 1001002322249. The reversal of 1001002322231 is 1322232001001.

It is a de Polignac number, because none of the positive numbers 2^k-1001002322231 is a prime.

It is a super-2 number, since 2×1001002322231² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001002322251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 458915 + ... + 1487483.

It is an arithmetic number, because the mean of its divisors is an integer number (36658234800).

Almost surely, 2^{1001002322231} is an apocalyptic number.

1001002322231 is a deficient number, since it is larger than the sum of its proper divisors (172061191369).

1001002322231 is a wasteful number, since it uses less digits than its factorization.

1001002322231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028759.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1001002322231 its reverse (1322232001001), we get a palindrome (2323234323232).

The spelling of 1001002322231 in words is "one trillion, one billion, two million, three hundred twenty-two thousand, two hundred thirty-one".