13402302431155 has 64 divisors (see below), whose sum is σ = 18177255360000. Its totient is φ = 9396812759040.

The previous prime is 13402302431153. The next prime is 13402302431179. The reversal of 13402302431155 is 55113420320431.

It is not a de Polignac number, because 13402302431155 - 2¹ = 13402302431153 is a prime.

It is a super-2 number, since 2×13402302431155² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13402302431155.

It is not an unprimeable number, because it can be changed into a prime (13402302431153) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4984120051 + ... + 4984122739.

It is an arithmetic number, because the mean of its divisors is an integer number (284019615000).

Almost surely, 2^{13402302431155} is an apocalyptic number.

13402302431155 is a deficient number, since it is larger than the sum of its proper divisors (4774952928845).

13402302431155 is a wasteful number, since it uses less digits than its factorization.

13402302431155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6292.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 13402302431155 its reverse (55113420320431), we get a palindrome (68515722751586).

The spelling of 13402302431155 in words is "thirteen trillion, four hundred two billion, three hundred two million, four hundred thirty-one thousand, one hundred fifty-five".