31034013 has 4 divisors (see below), whose sum is σ = 41378688. Its totient is φ = 20689340.

The previous prime is 31033999. The next prime is 31034021. The reversal of 31034013 is 31043013.

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: 31043013 = 3 ⋅10347671.

It is a cyclic number.

It is not a de Polignac number, because 31034013 - 2⁴ = 31033997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31033983 and 31034001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31034023) 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, 5172333 + ... + 5172338.

It is an arithmetic number, because the mean of its divisors is an integer number (10344672).

Almost surely, 2^31034013 is an apocalyptic number.

It is an amenable number.

31034013 is a deficient number, since it is larger than the sum of its proper divisors (10344675).

31034013 is a wasteful number, since it uses less digits than its factorization.

31034013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10344674.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 31034013 is about 5570.8179830255. The cubic root of 31034013 is about 314.2529133320.

Adding to 31034013 its reverse (31043013), we get a palindrome (62077026).

The spelling of 31034013 in words is "thirty-one million, thirty-four thousand, thirteen".