31054130 has 8 divisors (see below), whose sum is σ = 55897452. Its totient is φ = 12421648.

The previous prime is 31054109. The next prime is 31054141. The reversal of 31054130 is 3145013.

It can be written as a sum of positive squares in 2 ways, for example, as 29953729 + 1100401 = 5473^2 + 1049^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31054099 and 31054108.

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, 1552697 + ... + 1552716.

Almost surely, 2^31054130 is an apocalyptic number.

31054130 is a deficient number, since it is larger than the sum of its proper divisors (24843322).

31054130 is a wasteful number, since it uses less digits than its factorization.

31054130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105420.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 31054130 is about 5572.6232601890. The cubic root of 31054130 is about 314.3208007857.

Adding to 31054130 its reverse (3145013), we get a palindrome (34199143).

The spelling of 31054130 in words is "thirty-one million, fifty-four thousand, one hundred thirty".