102311013031 has 8 divisors (see below), whose sum is σ = 102446403840. Its totient is φ = 102175694592.

The previous prime is 102311013017. The next prime is 102311013037. The reversal of 102311013031 is 130310113201.

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

It is a cyclic number.

It is not a de Polignac number, because 102311013031 - 2⁹ = 102311012519 is a prime.

It is a super-2 number, since 2×102311013031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102311012996 and 102311013014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102311013037) 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, 3174906 + ... + 3206968.

It is an arithmetic number, because the mean of its divisors is an integer number (12805800480).

Almost surely, 2^102311013031 is an apocalyptic number.

102311013031 is a deficient number, since it is larger than the sum of its proper divisors (135390809).

102311013031 is a wasteful number, since it uses less digits than its factorization.

102311013031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36185.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 102311013031 its reverse (130310113201), we get a palindrome (232621126232).

The spelling of 102311013031 in words is "one hundred two billion, three hundred eleven million, thirteen thousand, thirty-one".