9990031202 has 4 divisors (see below), whose sum is σ = 14985046806. Its totient is φ = 4995015600.

The previous prime is 9990031199. The next prime is 9990031211. The reversal of 9990031202 is 2021300999.

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., 7501118881 + 2488912321 = 86609^2 + 49889^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2497507799 + ... + 2497507802.

Almost surely, 2^9990031202 is an apocalyptic number.

9990031202 is a deficient number, since it is larger than the sum of its proper divisors (4995015604).

9990031202 is a wasteful number, since it uses less digits than its factorization.

9990031202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4995015603.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 9990031202 is about 99950.1435816878. The cubic root of 9990031202 is about 2153.7185478690.

The spelling of 9990031202 in words is "nine billion, nine hundred ninety million, thirty-one thousand, two hundred two".