31034429 has 16 divisors (see below), whose sum is σ = 34836480. Its totient is φ = 27506160.

The previous prime is 31034411. The next prime is 31034449. The reversal of 31034429 is 92443013.

It is not a de Polignac number, because 31034429 - 2²⁰ = 29985853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31034398 and 31034407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31034449) 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, 19784 + ... + 21294.

It is an arithmetic number, because the mean of its divisors is an integer number (2177280).

Almost surely, 2^31034429 is an apocalyptic number.

It is an amenable number.

31034429 is a deficient number, since it is larger than the sum of its proper divisors (3802051).

31034429 is a wasteful number, since it uses less digits than its factorization.

31034429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 31034429 is about 5570.8553203256. The cubic root of 31034429 is about 314.2543174756.

The spelling of 31034429 in words is "thirty-one million, thirty-four thousand, four hundred twenty-nine".