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4312979032381 is a prime number
BaseRepresentation
bin111110110000110001100…
…101010100100100111101
3120021022112220221212222021
4332300301211110210331
51031130440113014011
613101204420520141
7623413432614145
oct76606145244475
916238486855867
104312979032381
111413140252008
12597a73b50051
13253934867356
1410ca6c10d925
15772ccd28471
hex3ec3195493d

4312979032381 has 2 divisors, whose sum is σ = 4312979032382. Its totient is φ = 4312979032380.

The previous prime is 4312979032319. The next prime is 4312979032403. The reversal of 4312979032381 is 1832309792134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2754703672900 + 1558275359481 = 1659730^2 + 1248309^2 .

It is a cyclic number.

It is not a de Polignac number, because 4312979032381 - 29 = 4312979031869 is a prime.

It is a super-2 number, since 2×43129790323812 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4312979032781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2156489516190 + 2156489516191.

It is an arithmetic number, because the mean of its divisors is an integer number (2156489516191).

Almost surely, 24312979032381 is an apocalyptic number.

It is an amenable number.

4312979032381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4312979032381 is an equidigital number, since it uses as much as digits as its factorization.

4312979032381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 4312979032381 in words is "four trillion, three hundred twelve billion, nine hundred seventy-nine million, thirty-two thousand, three hundred eighty-one".