10402401331243 has 16 divisors (see below), whose sum is σ = 10726814429856. Its totient is φ = 10082744455680.

The previous prime is 10402401331183. The next prime is 10402401331261. The reversal of 10402401331243 is 34213310420401.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10402401331243 - 2¹³ = 10402401323051 is a prime.

It is a super-2 number, since 2×10402401331243² (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 (10402401334243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183044773 + ... + 183101593.

It is an arithmetic number, because the mean of its divisors is an integer number (670425901866).

Almost surely, 2^{10402401331243} is an apocalyptic number.

10402401331243 is a deficient number, since it is larger than the sum of its proper divisors (324413098613).

10402401331243 is an equidigital number, since it uses as much as digits as its factorization.

10402401331243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98574.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 10402401331243 its reverse (34213310420401), we get a palindrome (44615711751644).

The spelling of 10402401331243 in words is "ten trillion, four hundred two billion, four hundred one million, three hundred thirty-one thousand, two hundred forty-three".