102444331 has 16 divisors (see below), whose sum is σ = 114392160. Its totient is φ = 90961920.

The previous prime is 102444311. The next prime is 102444337. The reversal of 102444331 is 133444201.

It is a cyclic number.

It is not a de Polignac number, because 102444331 - 2⁵ = 102444299 is a prime.

It is a super-3 number, since 3×102444331³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (102444337) 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, 90175 + ... + 91303.

It is an arithmetic number, because the mean of its divisors is an integer number (7149510).

Almost surely, 2^102444331 is an apocalyptic number.

102444331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102444331 is a deficient number, since it is larger than the sum of its proper divisors (11947829).

102444331 is a wasteful number, since it uses less digits than its factorization.

102444331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 102444331 is about 10121.4786963171. The cubic root of 102444331 is about 467.9103412022.

Adding to 102444331 its reverse (133444201), we get a palindrome (235888532).

The spelling of 102444331 in words is "one hundred two million, four hundred forty-four thousand, three hundred thirty-one".