31444074 has 12 divisors (see below), whose sum is σ = 68128866. Its totient is φ = 10481352.

The previous prime is 31444019. The next prime is 31444079. The reversal of 31444074 is 47044413.

It can be written as a sum of positive squares in only one way, i.e., 31438449 + 5625 = 5607^2 + 75^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31444079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 873429 + ... + 873464.

Almost surely, 2^31444074 is an apocalyptic number.

31444074 is an abundant number, since it is smaller than the sum of its proper divisors (36684792).

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

31444074 is a wasteful number, since it uses less digits than its factorization.

31444074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746901 (or 1746898 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 31444074 is about 5607.5015827015. The cubic root of 31444074 is about 315.6309650737.

Adding to 31444074 its reverse (47044413), we get a palindrome (78488487).

The spelling of 31444074 in words is "thirty-one million, four hundred forty-four thousand, seventy-four".