102103002311331 has 32 divisors (see below), whose sum is σ = 158646760081920. Its totient is φ = 57201912843264.

The previous prime is 102103002311287. The next prime is 102103002311353. The reversal of 102103002311331 is 133113200301201.

It is a happy number.

It is not a de Polignac number, because 102103002311331 - 2³³ = 102094412376739 is a prime.

It is a super-2 number, since 2×102103002311331² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 102103002311298 and 102103002311307.

It is not an unprimeable number, because it can be changed into a prime (102103002311371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110003790 + ... + 110928083.

It is an arithmetic number, because the mean of its divisors is an integer number (4957711252560).

Almost surely, 2^{102103002311331} is an apocalyptic number.

102103002311331 is a deficient number, since it is larger than the sum of its proper divisors (56543757770589).

102103002311331 is a wasteful number, since it uses less digits than its factorization.

102103002311331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220932315.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 102103002311331 its reverse (133113200301201), we get a palindrome (235216202612532).

The spelling of 102103002311331 in words is "one hundred two trillion, one hundred three billion, two million, three hundred eleven thousand, three hundred thirty-one".