5231991002 has 8 divisors (see below), whose sum is σ = 8969127456. Its totient is φ = 2242281852.

The previous prime is 5231990977. The next prime is 5231991013. The reversal of 5231991002 is 2001991325.

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 5231991002.

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, 186856808 + ... + 186856835.

It is an arithmetic number, because the mean of its divisors is an integer number (1121140932).

Almost surely, 2^5231991002 is an apocalyptic number.

5231991002 is a deficient number, since it is larger than the sum of its proper divisors (3737136454).

5231991002 is a wasteful number, since it uses less digits than its factorization.

5231991002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373713652.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 5231991002 is about 72332.5030812566. The cubic root of 5231991002 is about 1736.0237519048.

The spelling of 5231991002 in words is "five billion, two hundred thirty-one million, nine hundred ninety-one thousand, two".