103213011 has 32 divisors (see below), whose sum is σ = 153342720. Its totient is φ = 61232000.

The previous prime is 103213009. The next prime is 103213039. The reversal of 103213011 is 110312301.

It is a cyclic number.

It is not a de Polignac number, because 103213011 - 2¹ = 103213009 is a prime.

It is a super-2 number, since 2×103213011² = 21305851279372242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103213051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 576520 + ... + 576698.

It is an arithmetic number, because the mean of its divisors is an integer number (4791960).

Almost surely, 2^103213011 is an apocalyptic number.

103213011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

103213011 is a deficient number, since it is larger than the sum of its proper divisors (50129709).

103213011 is a wasteful number, since it uses less digits than its factorization.

103213011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 103213011 is about 10159.3804437082. The cubic root of 103213011 is about 469.0777312012.

Adding to 103213011 its reverse (110312301), we get a palindrome (213525312).

The spelling of 103213011 in words is "one hundred three million, two hundred thirteen thousand, eleven".