102131011 has 8 divisors (see below), whose sum is σ = 105966000. Its totient is φ = 98316960.

The previous prime is 102130999. The next prime is 102131033. The reversal of 102131011 is 110131201.

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

It is not a de Polignac number, because 102131011 - 2⁹ = 102130499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102131111) 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, 5076 + ... + 15166.

It is an arithmetic number, because the mean of its divisors is an integer number (13245750).

Almost surely, 2^102131011 is an apocalyptic number.

102131011 is a deficient number, since it is larger than the sum of its proper divisors (3834989).

102131011 is a wasteful number, since it uses less digits than its factorization.

102131011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10469.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 102131011 is about 10105.9888679931. The cubic root of 102131011 is about 467.4328285773.

Adding to 102131011 its reverse (110131201), we get a palindrome (212262212).

The spelling of 102131011 in words is "one hundred two million, one hundred thirty-one thousand, eleven".