980313511 has 4 divisors (see below), whose sum is σ = 980647992. Its totient is φ = 979979032.

The previous prime is 980313473. The next prime is 980313541. The reversal of 980313511 is 115313089.

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 980313511 - 2²³ = 971924903 is a prime.

It is a super-2 number, since 2×980313511² = 1922029159698294242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980313541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162805 + ... + 168718.

It is an arithmetic number, because the mean of its divisors is an integer number (245161998).

Almost surely, 2^980313511 is an apocalyptic number.

980313511 is a deficient number, since it is larger than the sum of its proper divisors (334481).

980313511 is a wasteful number, since it uses less digits than its factorization.

980313511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334480.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 980313511 is about 31309.9586553544. The cubic root of 980313511 is about 993.3942977788.

The spelling of 980313511 in words is "nine hundred eighty million, three hundred thirteen thousand, five hundred eleven".