31011300002 has 4 divisors (see below), whose sum is σ = 46516950006. Its totient is φ = 15505650000.

The previous prime is 31011299899. The next prime is 31011300013. The reversal of 31011300002 is 20000311013.

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., 31007335921 + 3964081 = 176089^2 + 1991^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7752824999 + ... + 7752825002.

Almost surely, 2^31011300002 is an apocalyptic number.

31011300002 is a deficient number, since it is larger than the sum of its proper divisors (15505650004).

31011300002 is a wasteful number, since it uses less digits than its factorization.

31011300002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15505650003.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 31011300002 its reverse (20000311013), we get a palindrome (51011611015).

The spelling of 31011300002 in words is "thirty-one billion, eleven million, three hundred thousand, two".