1302512131 has 2 divisors, whose sum is σ = 1302512132. Its totient is φ = 1302512130.

The previous prime is 1302512051. The next prime is 1302512179. The reversal of 1302512131 is 1312152031.

It is a strong prime.

It is an emirp because it is prime and its reverse (1312152031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1302512131 - 2¹⁵ = 1302479363 is a prime.

It is a super-2 number, since 2×1302512131² = 3393075702804322322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1302512099 and 1302512108.

It is not a weakly prime, because it can be changed into another prime (1302512191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651256065 + 651256066.

It is an arithmetic number, because the mean of its divisors is an integer number (651256066).

Almost surely, 2^1302512131 is an apocalyptic number.

1302512131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302512131 is an equidigital number, since it uses as much as digits as its factorization.

1302512131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1302512131 is about 36090.3329300244. The cubic root of 1302512131 is about 1092.0954363293.

Adding to 1302512131 its reverse (1312152031), we get a palindrome (2614664162).

The spelling of 1302512131 in words is "one billion, three hundred two million, five hundred twelve thousand, one hundred thirty-one".