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31030254553139 is a prime number
BaseRepresentation
bin1110000111000110010110…
…10011001100100000110011
311001212110111210101201121022
413003203023103030200303
513031344430131200024
6145555034021450055
76351601430531432
oct703431323144063
9131773453351538
1031030254553139
119983947813576
123591a5557092b
1314411a9747b2a
14793c2d981119
1538c27c69c35e
hex1c38cb4cc833

31030254553139 has 2 divisors, whose sum is σ = 31030254553140. Its totient is φ = 31030254553138.

The previous prime is 31030254553099. The next prime is 31030254553141. The reversal of 31030254553139 is 93135545203013.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31030254553139 - 232 = 31025959585843 is a prime.

Together with 31030254553141, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31030254553139.

It is not a weakly prime, because it can be changed into another prime (31030254553189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15515127276569 + 15515127276570.

It is an arithmetic number, because the mean of its divisors is an integer number (15515127276570).

Almost surely, 231030254553139 is an apocalyptic number.

31030254553139 is a deficient number, since it is larger than the sum of its proper divisors (1).

31030254553139 is an equidigital number, since it uses as much as digits as its factorization.

31030254553139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729000, while the sum is 44.

The spelling of 31030254553139 in words is "thirty-one trillion, thirty billion, two hundred fifty-four million, five hundred fifty-three thousand, one hundred thirty-nine".