102131432113444 has 12 divisors (see below), whose sum is σ = 178753974335244. Its totient is φ = 51058868017664.

The previous prime is 102131432113433. The next prime is 102131432113489. The reversal of 102131432113444 is 444311234131201.

It can be written as a sum of positive squares in 2 ways, for example, as 60132115160100 + 41999316953344 = 7754490^2 + 6480688^2 .

It is a super-2 number, since 2×102131432113444² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1711976209 + ... + 1712035864.

It is an arithmetic number, because the mean of its divisors is an integer number (14896164527937).

Almost surely, 2^{102131432113444} is an apocalyptic number.

It is an amenable number.

102131432113444 is a deficient number, since it is larger than the sum of its proper divisors (76622542221800).

102131432113444 is a wasteful number, since it uses less digits than its factorization.

102131432113444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424019534 (or 3424019532 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

Adding to 102131432113444 its reverse (444311234131201), we get a palindrome (546442666244645).

The spelling of 102131432113444 in words is "one hundred two trillion, one hundred thirty-one billion, four hundred thirty-two million, one hundred thirteen thousand, four hundred forty-four".