102133331 has 16 divisors (see below), whose sum is σ = 112492800. Its totient is φ = 92295168.

The previous prime is 102133309. The next prime is 102133349. The reversal of 102133331 is 133331201.

It is not a de Polignac number, because 102133331 - 2¹⁰ = 102132307 is a prime.

It is a super-2 number, since 2×102133331² = 20862434602311122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102133301) 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, 109475 + ... + 110403.

It is an arithmetic number, because the mean of its divisors is an integer number (7030800).

Almost surely, 2^102133331 is an apocalyptic number.

102133331 is a deficient number, since it is larger than the sum of its proper divisors (10359469).

102133331 is a wasteful number, since it uses less digits than its factorization.

102133331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 102133331 is about 10106.1036507647. The cubic root of 102133331 is about 467.4363679396.

Adding to 102133331 its reverse (133331201), we get a palindrome (235464532).

The spelling of 102133331 in words is "one hundred two million, one hundred thirty-three thousand, three hundred thirty-one".