13131400234121 has 8 divisors (see below), whose sum is σ = 14442391092864. Its totient is φ = 11863392682320.

The previous prime is 13131400234111. The next prime is 13131400234133. The reversal of 13131400234121 is 12143200413131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13131400234121 is a prime.

It is a super-2 number, since 2×13131400234121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13131400234111) 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, 10745826095 + ... + 10745827316.

It is an arithmetic number, because the mean of its divisors is an integer number (1805298886608).

Almost surely, 2^{13131400234121} is an apocalyptic number.

It is an amenable number.

13131400234121 is a deficient number, since it is larger than the sum of its proper divisors (1310990858743).

13131400234121 is a wasteful number, since it uses less digits than its factorization.

13131400234121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21491653471.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 13131400234121 its reverse (12143200413131), we get a palindrome (25274600647252).

The spelling of 13131400234121 in words is "thirteen trillion, one hundred thirty-one billion, four hundred million, two hundred thirty-four thousand, one hundred twenty-one".