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70968031 is a prime number
BaseRepresentation
bin1000011101011…
…10001011011111
311221112112211121
410032232023133
5121131434111
611013031411
71521134611
oct416561337
9157475747
1070968031
1137072372
121b925567
131191a324
1495d4db1
15636c871
hex43ae2df

70968031 has 2 divisors, whose sum is σ = 70968032. Its totient is φ = 70968030.

The previous prime is 70968019. The next prime is 70968067. The reversal of 70968031 is 13086907.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70968031 - 25 = 70967999 is a prime.

It is a super-2 number, since 2×709680312 = 10072922848033922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70968011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35484015 + 35484016.

It is an arithmetic number, because the mean of its divisors is an integer number (35484016).

Almost surely, 270968031 is an apocalyptic number.

70968031 is a deficient number, since it is larger than the sum of its proper divisors (1).

70968031 is an equidigital number, since it uses as much as digits as its factorization.

70968031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 70968031 is about 8424.2525484461. The cubic root of 70968031 is about 414.0196164089.

The spelling of 70968031 in words is "seventy million, nine hundred sixty-eight thousand, thirty-one".