1302311122131 has 32 divisors (see below), whose sum is σ = 1755970272000. Its totient is φ = 858469183488.

The previous prime is 1302311122111. The next prime is 1302311122159. The reversal of 1302311122131 is 1312211132031.

It is not a de Polignac number, because 1302311122131 - 2⁹ = 1302311121619 is a prime.

It is a super-2 number, since 2×1302311122131² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1302311122098 and 1302311122107.

It is not an unprimeable number, because it can be changed into a prime (1302311122111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 315403875 + ... + 315408003.

It is an arithmetic number, because the mean of its divisors is an integer number (54874071000).

Almost surely, 2^{1302311122131} is an apocalyptic number.

1302311122131 is a deficient number, since it is larger than the sum of its proper divisors (453659149869).

1302311122131 is a wasteful number, since it uses less digits than its factorization.

1302311122131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6243.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1302311122131 its reverse (1312211132031), we get a palindrome (2614522254162).

The spelling of 1302311122131 in words is "one trillion, three hundred two billion, three hundred eleven million, one hundred twenty-two thousand, one hundred thirty-one".