13020131234 has 16 divisors (see below), whose sum is σ = 21307474656. Its totient is φ = 5917740000.

The previous prime is 13020131231. The next prime is 13020131279. The reversal of 13020131234 is 43213102031.

It is not an unprimeable number, because it can be changed into a prime (13020131231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402449 + ... + 433595.

It is an arithmetic number, because the mean of its divisors is an integer number (1331717166).

Almost surely, 2^13020131234 is an apocalyptic number.

13020131234 is a deficient number, since it is larger than the sum of its proper divisors (8287343422).

13020131234 is a wasteful number, since it uses less digits than its factorization.

13020131234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50161.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13020131234 its reverse (43213102031), we get a palindrome (56233233265).

The spelling of 13020131234 in words is "thirteen billion, twenty million, one hundred thirty-one thousand, two hundred thirty-four".