102011203131 has 8 divisors (see below), whose sum is σ = 136449491280. Its totient is φ = 67790191872.

The previous prime is 102011203087. The next prime is 102011203181. The reversal of 102011203131 is 131302110201.

It is a happy number.

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

It is not a de Polignac number, because 102011203131 - 2¹⁰ = 102011202107 is a prime.

It is a super-2 number, since 2×102011203131² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102011203131.

It is not an unprimeable number, because it can be changed into a prime (102011203181) 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, 54318126 + ... + 54320003.

It is an arithmetic number, because the mean of its divisors is an integer number (17056186410).

Almost surely, 2^102011203131 is an apocalyptic number.

102011203131 is a deficient number, since it is larger than the sum of its proper divisors (34438288149).

102011203131 is a wasteful number, since it uses less digits than its factorization.

102011203131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108638445.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 102011203131 its reverse (131302110201), we get a palindrome (233313313332).

The spelling of 102011203131 in words is "one hundred two billion, eleven million, two hundred three thousand, one hundred thirty-one".