1001231022031 has 8 divisors (see below), whose sum is σ = 1009012778928. Its totient is φ = 993451368000.

The previous prime is 1001231022017. The next prime is 1001231022089. The reversal of 1001231022031 is 1302201321001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1001231022031 - 2¹¹ = 1001231019983 is a prime.

It is a super-2 number, since 2×1001231022031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001231021996 and 1001231022014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001231022431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437061 + ... + 1481041.

It is an arithmetic number, because the mean of its divisors is an integer number (126126597366).

Almost surely, 2^{1001231022031} is an apocalyptic number.

1001231022031 is a deficient number, since it is larger than the sum of its proper divisors (7781756897).

1001231022031 is a wasteful number, since it uses less digits than its factorization.

1001231022031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051433.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1001231022031 its reverse (1302201321001), we get a palindrome (2303432343032).

The spelling of 1001231022031 in words is "one trillion, one billion, two hundred thirty-one million, twenty-two thousand, thirty-one".