1020311099 has 8 divisors (see below), whose sum is σ = 1033500000. Its totient is φ = 1007185536.

The previous prime is 1020311093. The next prime is 1020311107. The reversal of 1020311099 is 9901130201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020311099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020311093) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 17027 + ... + 48275.

It is an arithmetic number, because the mean of its divisors is an integer number (129187500).

Almost surely, 2^1020311099 is an apocalyptic number.

1020311099 is a deficient number, since it is larger than the sum of its proper divisors (13188901).

1020311099 is a wasteful number, since it uses less digits than its factorization.

1020311099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31669.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 1020311099 is about 31942.3089177974. The cubic root of 1020311099 is about 1006.7250388039.

The spelling of 1020311099 in words is "one billion, twenty million, three hundred eleven thousand, ninety-nine".