31113002099 has 4 divisors (see below), whose sum is σ = 32116647360. Its totient is φ = 30109356840.

The previous prime is 31113002057. The next prime is 31113002111. The reversal of 31113002099 is 99020031113.

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

It is a cyclic number.

It is not a de Polignac number, because 31113002099 - 2¹² = 31112998003 is a prime.

It is a super-2 number, since 2×31113002099² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31113002009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501822584 + ... + 501822645.

It is an arithmetic number, because the mean of its divisors is an integer number (8029161840).

Almost surely, 2^31113002099 is an apocalyptic number.

31113002099 is a deficient number, since it is larger than the sum of its proper divisors (1003645261).

31113002099 is a wasteful number, since it uses less digits than its factorization.

31113002099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003645260.

The product of its (nonzero) digits is 1458, while the sum is 29.

The spelling of 31113002099 in words is "thirty-one billion, one hundred thirteen million, two thousand, ninety-nine".