13013781030 has 64 divisors (see below), whose sum is σ = 35900107200. Its totient is φ = 3350672640.

The previous prime is 13013780999. The next prime is 13013781031. The reversal of 13013781030 is 3018731031.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13013780985 and 13013781003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013781031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 823191 + ... + 838850.

It is an arithmetic number, because the mean of its divisors is an integer number (560939175).

Almost surely, 2^13013781030 is an apocalyptic number.

13013781030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13013781030 is an abundant number, since it is smaller than the sum of its proper divisors (22886326170).

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

13013781030 is a wasteful number, since it uses less digits than its factorization.

13013781030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662086 (or 1662080 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The spelling of 13013781030 in words is "thirteen billion, thirteen million, seven hundred eighty-one thousand, thirty".