104102451131 has 12 divisors (see below), whose sum is σ = 122209773840. Its totient is φ = 88412037840.

The previous prime is 104102451119. The next prime is 104102451133. The reversal of 104102451131 is 131154201401.

It is a de Polignac number, because none of the positive numbers 2^k-104102451131 is a prime.

It is a super-2 number, since 2×104102451131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104102451097 and 104102451106.

It is not an unprimeable number, because it can be changed into a prime (104102451133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9740255 + ... + 9750936.

It is an arithmetic number, because the mean of its divisors is an integer number (10184147820).

Almost surely, 2^104102451131 is an apocalyptic number.

104102451131 is a deficient number, since it is larger than the sum of its proper divisors (18107322709).

104102451131 is a wasteful number, since it uses less digits than its factorization.

104102451131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19491314 (or 19491307 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 104102451131 its reverse (131154201401), we get a palindrome (235256652532).

The spelling of 104102451131 in words is "one hundred four billion, one hundred two million, four hundred fifty-one thousand, one hundred thirty-one".