1000200021031 has 8 divisors (see below), whose sum is σ = 1017293331600. Its totient is φ = 983245118208.

The previous prime is 1000200021019. The next prime is 1000200021053. The reversal of 1000200021031 is 1301200020001.

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 1000200021031 - 2²³ = 1000191632423 is a prime.

It is a super-2 number, since 2×1000200021031² (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 = 1000200020999 and 1000200021017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000200021091) 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, 34587361 + ... + 34616266.

It is an arithmetic number, because the mean of its divisors is an integer number (127161666450).

Almost surely, 2^{1000200021031} is an apocalyptic number.

1000200021031 is a deficient number, since it is larger than the sum of its proper divisors (17093310569).

1000200021031 is an equidigital number, since it uses as much as digits as its factorization.

1000200021031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69203873.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1000200021031 its reverse (1301200020001), we get a palindrome (2301400041032).

The spelling of 1000200021031 in words is "one trillion, two hundred million, twenty-one thousand, thirty-one".