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311430230404 = 2297990781019
BaseRepresentation
bin1001000100000101011…
…00000011000110000100
31002202212002220220010221
410202002230003012010
520100302114333104
6355022530354124
731333350165256
oct4420254030604
91082762826127
10311430230404
11110093278607
125043542b944
13234a1c20657
1411105205cd6
15817add3c54
hex4882b03184

311430230404 has 24 divisors (see below), whose sum is σ = 550683865760. Its totient is φ = 154092347136.

The previous prime is 311430230333. The next prime is 311430230413. The reversal of 311430230404 is 404032034113.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3803407 + ... + 3884425.

Almost surely, 2311430230404 is an apocalyptic number.

It is an amenable number.

311430230404 is a deficient number, since it is larger than the sum of its proper divisors (239253635356).

311430230404 is a wasteful number, since it uses less digits than its factorization.

311430230404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91027 (or 91025 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 311430230404 its reverse (404032034113), we get a palindrome (715462264517).

The spelling of 311430230404 in words is "three hundred eleven billion, four hundred thirty million, two hundred thirty thousand, four hundred four".

Divisors: 1 2 4 97 194 388 9907 19814 39628 81019 162038 324076 960979 1921958 3843916 7858843 15717686 31435372 802655233 1605310466 3210620932 77857557601 155715115202 311430230404