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312132311302921 is a prime number
BaseRepresentation
bin100011011111000011111011…
…1100010011100001100001001
31111221011120001110002021211021
41012332013313202130030021
5311402433433143143141
63023503334304432441
7122513546436145324
oct10676076742341411
91457146043067737
10312132311302921
119050062a50455a
122b0113bb618721
1310521c4879ac95
1457113da8517bb
1526144274986d1
hex11be1f789c309

312132311302921 has 2 divisors, whose sum is σ = 312132311302922. Its totient is φ = 312132311302920.

The previous prime is 312132311302883. The next prime is 312132311302939. The reversal of 312132311302921 is 129203113231213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177408121247296 + 134724190055625 = 13319464^2 + 11607075^2 .

It is a cyclic number.

It is not a de Polignac number, because 312132311302921 - 237 = 311994872349449 is a prime.

It is not a weakly prime, because it can be changed into another prime (312132311332921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156066155651460 + 156066155651461.

It is an arithmetic number, because the mean of its divisors is an integer number (156066155651461).

Almost surely, 2312132311302921 is an apocalyptic number.

It is an amenable number.

312132311302921 is a deficient number, since it is larger than the sum of its proper divisors (1).

312132311302921 is an equidigital number, since it uses as much as digits as its factorization.

312132311302921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 312132311302921 in words is "three hundred twelve trillion, one hundred thirty-two billion, three hundred eleven million, three hundred two thousand, nine hundred twenty-one".