13123403001331 has 8 divisors (see below), whose sum is σ = 15020134124544. Its totient is φ = 11232161694600.

The previous prime is 13123403001257. The next prime is 13123403001343. The reversal of 13123403001331 is 13310030432131.

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

It is not a de Polignac number, because 13123403001331 - 2¹³ = 13123402993139 is a prime.

It is a super-2 number, since 2×13123403001331² (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 = 13123403001296 and 13123403001305.

It is not an unprimeable number, because it can be changed into a prime (13123403001131) 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, 1372448995 + ... + 1372458556.

It is an arithmetic number, because the mean of its divisors is an integer number (1877516765568).

Almost surely, 2^{13123403001331} is an apocalyptic number.

13123403001331 is a deficient number, since it is larger than the sum of its proper divisors (1896731123213).

13123403001331 is an equidigital number, since it uses as much as digits as its factorization.

13123403001331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2744908241.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 13123403001331 its reverse (13310030432131), we get a palindrome (26433433433462).

The spelling of 13123403001331 in words is "thirteen trillion, one hundred twenty-three billion, four hundred three million, one thousand, three hundred thirty-one".