31054402 has 8 divisors (see below), whose sum is σ = 46608012. Its totient is φ = 15518400.

The previous prime is 31054391. The next prime is 31054403. The reversal of 31054402 is 20445013.

It can be written as a sum of positive squares in 2 ways, for example, as 27050401 + 4004001 = 5201^2 + 2001^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 31054402.

It is not an unprimeable number, because it can be changed into a prime (31054403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1702 + ... + 8062.

Almost surely, 2^31054402 is an apocalyptic number.

31054402 is a deficient number, since it is larger than the sum of its proper divisors (15553610).

31054402 is a wasteful number, since it uses less digits than its factorization.

31054402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8804.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 31054402 is about 5572.6476651588. The cubic root of 31054402 is about 314.3217184845.

Adding to 31054402 its reverse (20445013), we get a palindrome (51499415).

The spelling of 31054402 in words is "thirty-one million, fifty-four thousand, four hundred two".