13021232131010 has 32 divisors (see below), whose sum is σ = 24071942355120. Its totient is φ = 5067668212992.

The previous prime is 13021232131007. The next prime is 13021232131049. The reversal of 13021232131010 is 1013123212031.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1477335718849 + 11543896412161 = 1215457^2 + 3397631^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60200936 + ... + 60416844.

Almost surely, 2^{13021232131010} is an apocalyptic number.

13021232131010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13021232131010 is a deficient number, since it is larger than the sum of its proper divisors (11050710224110).

13021232131010 is a wasteful number, since it uses less digits than its factorization.

13021232131010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378950.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13021232131010 its reverse (1013123212031), we get a palindrome (14034355343041).

The spelling of 13021232131010 in words is "thirteen trillion, twenty-one billion, two hundred thirty-two million, one hundred thirty-one thousand, ten".