1002123302131 has 4 divisors (see below), whose sum is σ = 1145283773872. Its totient is φ = 858962830392.

The previous prime is 1002123302107. The next prime is 1002123302161. The reversal of 1002123302131 is 1312033212001.

1002123302131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002123302131 - 2¹⁵ = 1002123269363 is a prime.

It is a super-2 number, since 2×1002123302131² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002123302099 and 1002123302108.

It is not an unprimeable number, because it can be changed into a prime (1002123302161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71580235860 + ... + 71580235873.

It is an arithmetic number, because the mean of its divisors is an integer number (286320943468).

Almost surely, 2^{1002123302131} is an apocalyptic number.

1002123302131 is a deficient number, since it is larger than the sum of its proper divisors (143160471741).

1002123302131 is an equidigital number, since it uses as much as digits as its factorization.

1002123302131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143160471740.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1002123302131 its reverse (1312033212001), we get a palindrome (2314156514132).

The spelling of 1002123302131 in words is "one trillion, two billion, one hundred twenty-three million, three hundred two thousand, one hundred thirty-one".