31034261 has 8 divisors (see below), whose sum is σ = 31885920. Its totient is φ = 30188592.

The previous prime is 31034257. The next prime is 31034273. The reversal of 31034261 is 16243013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31034261 - 2² = 31034257 is a prime.

It is a super-2 number, since 2×31034261² = 1926250711632242, which contains 22 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 (31034221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10226 + ... + 12908.

It is an arithmetic number, because the mean of its divisors is an integer number (3985740).

Almost surely, 2^31034261 is an apocalyptic number.

It is an amenable number.

31034261 is a deficient number, since it is larger than the sum of its proper divisors (851659).

31034261 is a wasteful number, since it uses less digits than its factorization.

31034261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 31034261 is about 5570.8402418307. The cubic root of 31034261 is about 314.2537504191.

Adding to 31034261 its reverse (16243013), we get a palindrome (47277274).

The spelling of 31034261 in words is "thirty-one million, thirty-four thousand, two hundred sixty-one".