1302001331 has 2 divisors, whose sum is σ = 1302001332.
Its totient is φ = 1302001330.
The previous prime is 1302001301. The next prime is 1302001357. The reversal of 1302001331 is 1331002031.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1302001331 is a prime.
It is a super-2 number, since 2×13020013312 = 3390414931851543122, which contains 22 as substring.
It is a Sophie Germain prime.
It is not a weakly prime, because it can be changed into another prime (1302001301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651000665 + 651000666.
It is an arithmetic number, because the mean of its divisors is an integer number (651000666).
Almost surely, 21302001331 is an apocalyptic number.
1302001331 is a deficient number, since it is larger than the sum of its proper divisors (1).
1302001331 is an equidigital number, since it uses as much as digits as its factorization.
1302001331 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 54, while the sum is 14.
The square root of 1302001331 is about 36083.2555487999.
The cubic root of 1302001331 is about 1091.9526570355.
Adding to 1302001331 its reverse (1331002031), we get a palindrome (2633003362).
The spelling of 1302001331 in words is "one billion, three hundred two million, one thousand, three hundred thirty-one".