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32131010302921 is a prime number
BaseRepresentation
bin1110100111001000101010…
…11101001001001111001001
311012202200202100112120010201
413103210111131021033021
513202413302114143141
6152200440553412201
76524250250163215
oct723442535111711
9135680670476121
1032131010302921
11a268759731562
12372b25640a061
1314c0c30c81a0a
147d1213575945
153aac04684031
hex1d39157493c9

32131010302921 has 2 divisors, whose sum is σ = 32131010302922. Its totient is φ = 32131010302920.

The previous prime is 32131010302913. The next prime is 32131010302957. The reversal of 32131010302921 is 12920301013123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25000850007225 + 7130160295696 = 5000085^2 + 2670236^2 .

It is a cyclic number.

It is not a de Polignac number, because 32131010302921 - 23 = 32131010302913 is a prime.

It is a super-2 number, since 2×321310103029212 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32131010302921.

It is not a weakly prime, because it can be changed into another prime (32131010308921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16065505151460 + 16065505151461.

It is an arithmetic number, because the mean of its divisors is an integer number (16065505151461).

Almost surely, 232131010302921 is an apocalyptic number.

It is an amenable number.

32131010302921 is a deficient number, since it is larger than the sum of its proper divisors (1).

32131010302921 is an equidigital number, since it uses as much as digits as its factorization.

32131010302921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 32131010302921 in words is "thirty-two trillion, one hundred thirty-one billion, ten million, three hundred two thousand, nine hundred twenty-one".