1312000061 has 2 divisors, whose sum is σ = 1312000062. Its totient is φ = 1312000060.

The previous prime is 1312000033. The next prime is 1312000069. The reversal of 1312000061 is 1600002131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1199236900 + 112763161 = 34630^2 + 10619^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312000061 - 2²² = 1307805757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312000069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656000030 + 656000031.

It is an arithmetic number, because the mean of its divisors is an integer number (656000031).

Almost surely, 2^1312000061 is an apocalyptic number.

It is an amenable number.

1312000061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312000061 is an equidigital number, since it uses as much as digits as its factorization.

1312000061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1312000061 is about 36221.5413945900. The cubic root of 1312000061 is about 1094.7407519259.

Adding to 1312000061 its reverse (1600002131), we get a palindrome (2912002192).

The spelling of 1312000061 in words is "one billion, three hundred twelve million, sixty-one", and thus it is an aban number.