31034109 has 4 divisors (see below), whose sum is σ = 41378816. Its totient is φ = 20689404.

The previous prime is 31034099. The next prime is 31034117. The reversal of 31034109 is 90143013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90143013 = 3 ⋅30047671.

It is not a de Polignac number, because 31034109 - 2⁴ = 31034093 is a prime.

It is a super-3 number, since 3×31034109³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31034119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5172349 + ... + 5172354.

It is an arithmetic number, because the mean of its divisors is an integer number (10344704).

Almost surely, 2^31034109 is an apocalyptic number.

It is an amenable number.

31034109 is a deficient number, since it is larger than the sum of its proper divisors (10344707).

31034109 is a wasteful number, since it uses less digits than its factorization.

31034109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10344706.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 31034109 is about 5570.8265993477. The cubic root of 31034109 is about 314.2532373662.

The spelling of 31034109 in words is "thirty-one million, thirty-four thousand, one hundred nine".