521102321232034 has 4 divisors (see below), whose sum is σ = 781653481848054. Its totient is φ = 260551160616016.

The previous prime is 521102321232023. The next prime is 521102321232041. The reversal of 521102321232034 is 430232123201125.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 293031162131409 + 228071159100625 = 17118153^2 + 15102025^2 .

It is a junction number, because it is equal to n+sod(n) for n = 521102321231987 and 521102321232005.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130275580308007 + ... + 130275580308010.

Almost surely, 2^{521102321232034} is an apocalyptic number.

521102321232034 is a deficient number, since it is larger than the sum of its proper divisors (260551160616020).

521102321232034 is a wasteful number, since it uses less digits than its factorization.

521102321232034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260551160616019.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 521102321232034 its reverse (430232123201125), we get a palindrome (951334444433159).

The spelling of 521102321232034 in words is "five hundred twenty-one trillion, one hundred two billion, three hundred twenty-one million, two hundred thirty-two thousand, thirty-four".