103214031 has 4 divisors (see below), whose sum is σ = 137618712. Its totient is φ = 68809352.

The previous prime is 103214029. The next prime is 103214039. The reversal of 103214031 is 130412301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130412301 = 3 ⋅43470767.

It is a cyclic number.

It is not a de Polignac number, because 103214031 - 2¹ = 103214029 is a prime.

It is a super-2 number, since 2×103214031² = 21306272390537922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103214031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103214039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17202336 + ... + 17202341.

It is an arithmetic number, because the mean of its divisors is an integer number (34404678).

Almost surely, 2^103214031 is an apocalyptic number.

103214031 is a deficient number, since it is larger than the sum of its proper divisors (34404681).

103214031 is an equidigital number, since it uses as much as digits as its factorization.

103214031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34404680.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 103214031 is about 10159.4306434957. The cubic root of 103214031 is about 469.0792764124.

Adding to 103214031 its reverse (130412301), we get a palindrome (233626332).

The spelling of 103214031 in words is "one hundred three million, two hundred fourteen thousand, thirty-one".