102123331311131 has 8 divisors (see below), whose sum is σ = 110459229704880. Its totient is φ = 93856041135072.

The previous prime is 102123331311037. The next prime is 102123331311143. The reversal of 102123331311131 is 131113133321201.

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-102123331311131 is a prime.

It is a super-2 number, since 2×102123331311131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102123331311131.

It is not an unprimeable number, because it can be changed into a prime (102123331311431) 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, 17152051325 + ... + 17152057278.

It is an arithmetic number, because the mean of its divisors is an integer number (13807403713110).

Almost surely, 2^{102123331311131} is an apocalyptic number.

102123331311131 is a deficient number, since it is larger than the sum of its proper divisors (8335898393749).

102123331311131 is a wasteful number, since it uses less digits than its factorization.

102123331311131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34304108845.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 102123331311131 its reverse (131113133321201), we get a palindrome (233236464632332).

The spelling of 102123331311131 in words is "one hundred two trillion, one hundred twenty-three billion, three hundred thirty-one million, three hundred eleven thousand, one hundred thirty-one".