31034004 has 12 divisors (see below), whose sum is σ = 72412704. Its totient is φ = 10344664.

The previous prime is 31033999. The next prime is 31034021. The reversal of 31034004 is 40043013.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1293072 + ... + 1293095.

It is an arithmetic number, because the mean of its divisors is an integer number (6034392).

Almost surely, 2^31034004 is an apocalyptic number.

It is an amenable number.

31034004 is an abundant number, since it is smaller than the sum of its proper divisors (41378700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31034004 is a wasteful number, since it uses less digits than its factorization.

31034004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586174 (or 2586172 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 31034004 is about 5570.8171752446. The cubic root of 31034004 is about 314.2528829538.

Adding to 31034004 its reverse (40043013), we get a palindrome (71077017).

Subtracting 31034004 from its reverse (40043013), we obtain a palindrome (9009009).

The spelling of 31034004 in words is "thirty-one million, thirty-four thousand, four".