102000031211 has 8 divisors (see below), whose sum is σ = 109849145280. Its totient is φ = 94151339712.

The previous prime is 102000031193. The next prime is 102000031249. The reversal of 102000031211 is 112130000201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102000031211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102000031192 and 102000031201.

It is not an unprimeable number, because it can be changed into a prime (102000030211) 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, 543431 + ... + 706623.

It is an arithmetic number, because the mean of its divisors is an integer number (13731143160).

Almost surely, 2^102000031211 is an apocalyptic number.

102000031211 is a deficient number, since it is larger than the sum of its proper divisors (7849114069).

102000031211 is a wasteful number, since it uses less digits than its factorization.

102000031211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211285.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 102000031211 its reverse (112130000201), we get a palindrome (214130031412).

The spelling of 102000031211 in words is "one hundred two billion, thirty-one thousand, two hundred eleven".