1001012102031 has 4 divisors (see below), whose sum is σ = 1334682802712. Its totient is φ = 667341401352.

The previous prime is 1001012101979. The next prime is 1001012102053. The reversal of 1001012102031 is 1302012101001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1001012102031 - 2¹³ = 1001012093839 is a prime.

It is a super-2 number, since 2×1001012102031² (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 = 1001012101998 and 1001012102016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001011102031) 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 3 ways as a sum of consecutive naturals, for example, 166835350336 + ... + 166835350341.

It is an arithmetic number, because the mean of its divisors is an integer number (333670700678).

Almost surely, 2^{1001012102031} is an apocalyptic number.

1001012102031 is a deficient number, since it is larger than the sum of its proper divisors (333670700681).

1001012102031 is an equidigital number, since it uses as much as digits as its factorization.

1001012102031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333670700680.

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

Adding to 1001012102031 its reverse (1302012101001), we get a palindrome (2303024203032).

The spelling of 1001012102031 in words is "one trillion, one billion, twelve million, one hundred two thousand, thirty-one".