31114404 has 18 divisors (see below), whose sum is σ = 78650390. Its totient is φ = 10371456.

The previous prime is 31114393. The next prime is 31114411. The reversal of 31114404 is 40441113.

It can be written as a sum of positive squares in only one way, i.e., 29160000 + 1954404 = 5400^2 + 1398^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×31114404² = 1936212272550432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 432109 + ... + 432180.

Almost surely, 2^31114404 is an apocalyptic number.

It is an amenable number.

31114404 is an abundant number, since it is smaller than the sum of its proper divisors (47535986).

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

31114404 is a wasteful number, since it uses less digits than its factorization.

31114404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864299 (or 864294 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 31114404 is about 5578.0286840424. The cubic root of 31114404 is about 314.5240279454.

Adding to 31114404 its reverse (40441113), we get a palindrome (71555517).

The spelling of 31114404 in words is "thirty-one million, one hundred fourteen thousand, four hundred four".