2013511380 has 48 divisors (see below), whose sum is σ = 5819702784. Its totient is φ = 519615360.

The previous prime is 2013511373. The next prime is 2013511387. The reversal of 2013511380 is 831153102.

It is an interprime number because it is at equal distance from previous prime (2013511373) and next prime (2013511387).

It is a self number, because there is not a number n which added to its sum of digits gives 2013511380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013511387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 539407 + ... + 543126.

It is an arithmetic number, because the mean of its divisors is an integer number (121243808).

Almost surely, 2^2013511380 is an apocalyptic number.

2013511380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2013511380 is an abundant number, since it is smaller than the sum of its proper divisors (3806191404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2013511380 is a wasteful number, since it uses less digits than its factorization.

2013511380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082576 (or 1082574 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 2013511380 is about 44872.1670972107. The cubic root of 2013511380 is about 1262.7518966710.

Adding to 2013511380 its reverse (831153102), we get a palindrome (2844664482).

The spelling of 2013511380 in words is "two billion, thirteen million, five hundred eleven thousand, three hundred eighty".