31434002 has 4 divisors (see below), whose sum is σ = 47151006. Its totient is φ = 15717000.

The previous prime is 31433993. The next prime is 31434017. The reversal of 31434002 is 20043413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20151121 + 11282881 = 4489^2 + 3359^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7858499 + ... + 7858502.

Almost surely, 2^31434002 is an apocalyptic number.

31434002 is a deficient number, since it is larger than the sum of its proper divisors (15717004).

31434002 is a wasteful number, since it uses less digits than its factorization.

31434002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15717003.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 31434002 is about 5606.6034281015. The cubic root of 31434002 is about 315.5972610593.

Adding to 31434002 its reverse (20043413), we get a palindrome (51477415).

The spelling of 31434002 in words is "thirty-one million, four hundred thirty-four thousand, two".