102101101031 has 4 divisors (see below), whose sum is σ = 102262910064. Its totient is φ = 101939292000.

The previous prime is 102101101019. The next prime is 102101101043. The reversal of 102101101031 is 130101101201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (102101101019) and next prime (102101101043).

It is a cyclic number.

It is not a de Polignac number, because 102101101031 - 2¹⁰ = 102101100007 is a prime.

It is a super-2 number, since 2×102101101031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101109031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80903570 + ... + 80904831.

It is an arithmetic number, because the mean of its divisors is an integer number (25565727516).

Almost surely, 2^102101101031 is an apocalyptic number.

102101101031 is a deficient number, since it is larger than the sum of its proper divisors (161809033).

102101101031 is an equidigital number, since it uses as much as digits as its factorization.

102101101031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161809032.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 102101101031 its reverse (130101101201), we get a palindrome (232202202232).

The spelling of 102101101031 in words is "one hundred two billion, one hundred one million, one hundred one thousand, thirty-one".