1302130031 has 2 divisors, whose sum is σ = 1302130032. Its totient is φ = 1302130030.

The previous prime is 1302130003. The next prime is 1302130051. The reversal of 1302130031 is 1300312031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1302130031 is a prime.

It is a super-2 number, since 2×1302130031² = 3391085235264121922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1302129988 and 1302130015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1302130001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651065015 + 651065016.

It is an arithmetic number, because the mean of its divisors is an integer number (651065016).

Almost surely, 2^1302130031 is an apocalyptic number.

1302130031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302130031 is an equidigital number, since it uses as much as digits as its factorization.

1302130031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1302130031 is about 36085.0388804003. The cubic root of 1302130031 is about 1091.9886348985.

Adding to 1302130031 its reverse (1300312031), we get a palindrome (2602442062).

The spelling of 1302130031 in words is "one billion, three hundred two million, one hundred thirty thousand, thirty-one".