102031011311 has 8 divisors (see below), whose sum is σ = 102145523040. Its totient is φ = 101916560608.

The previous prime is 102031011293. The next prime is 102031011361. The reversal of 102031011311 is 113110130201.

It is a happy number.

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-102031011311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102031011361) 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, 3865025 + ... + 3891333.

It is an arithmetic number, because the mean of its divisors is an integer number (12768190380).

Almost surely, 2^102031011311 is an apocalyptic number.

102031011311 is a deficient number, since it is larger than the sum of its proper divisors (114511729).

102031011311 is a wasteful number, since it uses less digits than its factorization.

102031011311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30513.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 102031011311 its reverse (113110130201), we get a palindrome (215141141512).

The spelling of 102031011311 in words is "one hundred two billion, thirty-one million, eleven thousand, three hundred eleven".