13121131010331 has 32 divisors (see below), whose sum is σ = 18440390026240. Its totient is φ = 8275888122624.

The previous prime is 13121131010279. The next prime is 13121131010347. The reversal of 13121131010331 is 13301013112131.

13121131010331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13121131010331 - 2¹¹ = 13121131008283 is a prime.

It is a super-2 number, since 2×13121131010331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13121131010298 and 13121131010307.

It is not an unprimeable number, because it can be changed into a prime (13121131010381) 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, 330262590 + ... + 330302316.

It is an arithmetic number, because the mean of its divisors is an integer number (576262188320).

Almost surely, 2^{13121131010331} is an apocalyptic number.

13121131010331 is a deficient number, since it is larger than the sum of its proper divisors (5319259015909).

13121131010331 is a wasteful number, since it uses less digits than its factorization.

13121131010331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47395.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 13121131010331 its reverse (13301013112131), we get a palindrome (26422144122462).

The spelling of 13121131010331 in words is "thirteen trillion, one hundred twenty-one billion, one hundred thirty-one million, ten thousand, three hundred thirty-one".