102052444531 has 8 divisors (see below), whose sum is σ = 103264855760. Its totient is φ = 100845054432.

The previous prime is 102052444523. The next prime is 102052444553. The reversal of 102052444531 is 135444250201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102052444531 - 2³ = 102052444523 is a prime.

It is a super-2 number, since 2×102052444531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102052444493 and 102052444502.

It is not an unprimeable number, because it can be changed into a prime (102052444591) 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, 1214385 + ... + 1295698.

It is an arithmetic number, because the mean of its divisors is an integer number (12908106970).

Almost surely, 2^102052444531 is an apocalyptic number.

102052444531 is a deficient number, since it is larger than the sum of its proper divisors (1212411229).

102052444531 is a wasteful number, since it uses less digits than its factorization.

102052444531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510565.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 102052444531 its reverse (135444250201), we get a palindrome (237496694732).

The spelling of 102052444531 in words is "one hundred two billion, fifty-two million, four hundred forty-four thousand, five hundred thirty-one".