102031133023321 has 16 divisors (see below), whose sum is σ = 110725168086288. Its totient is φ = 93638655129600.

The previous prime is 102031133023283. The next prime is 102031133023327. The reversal of 102031133023321 is 123320331130201.

It can be written as a sum of positive squares in 8 ways, for example, as 175402653721 + 101855730369600 = 418811^2 + 10092360^2 .

It is a cyclic number.

It is not a de Polignac number, because 102031133023321 - 2¹³ = 102031133015129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102031133023327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36517710 + ... + 39212311.

It is an arithmetic number, because the mean of its divisors is an integer number (6920323005393).

Almost surely, 2^{102031133023321} is an apocalyptic number.

It is an amenable number.

102031133023321 is a deficient number, since it is larger than the sum of its proper divisors (8694035062967).

102031133023321 is a wasteful number, since it uses less digits than its factorization.

102031133023321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75732012.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 102031133023321 its reverse (123320331130201), we get a palindrome (225351464153522).

The spelling of 102031133023321 in words is "one hundred two trillion, thirty-one billion, one hundred thirty-three million, twenty-three thousand, three hundred twenty-one".