103210690 has 16 divisors (see below), whose sum is σ = 202668480. Its totient is φ = 37531120.

The previous prime is 103210669. The next prime is 103210693. The reversal of 103210690 is 96012301.

It is a super-2 number, since 2×103210690² = 21304893060552200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (103210693) 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, 469030 + ... + 469249.

It is an arithmetic number, because the mean of its divisors is an integer number (12666780).

Almost surely, 2^103210690 is an apocalyptic number.

103210690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103210690 is a deficient number, since it is larger than the sum of its proper divisors (99457790).

103210690 is a wasteful number, since it uses less digits than its factorization.

103210690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938297.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 103210690 is about 10159.2662136593. The cubic root of 103210690 is about 469.0742150503.

Adding to 103210690 its reverse (96012301), we get a palindrome (199222991).

The spelling of 103210690 in words is "one hundred three million, two hundred ten thousand, six hundred ninety".