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30231142310 = 255462955339
BaseRepresentation
bin11100001001111010…
…101001111110100110
32220000212020011000102
4130021322221332212
5443403133023220
621515450144102
72120104320065
oct341172517646
986025204012
1030231142310
1111903767736
125a38422032
132b0a2342b5
14166b0161dc
15bbe085775
hex709ea9fa6

30231142310 has 16 divisors (see below), whose sum is σ = 54418035600. Its totient is φ = 12092017056.

The previous prime is 30231142259. The next prime is 30231142367. The reversal of 30231142310 is 1324113203.

It is a super-2 number, since 2×302311423102 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 518621 + ... + 573959.

It is an arithmetic number, because the mean of its divisors is an integer number (3401127225).

Almost surely, 230231142310 is an apocalyptic number.

30231142310 is a deficient number, since it is larger than the sum of its proper divisors (24186893290).

30231142310 is a wasteful number, since it uses less digits than its factorization.

30231142310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109975.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30231142310 its reverse (1324113203), we get a palindrome (31555255513).

The spelling of 30231142310 in words is "thirty billion, two hundred thirty-one million, one hundred forty-two thousand, three hundred ten".

Divisors: 1 2 5 10 54629 55339 109258 110678 273145 276695 546290 553390 3023114231 6046228462 15115571155 30231142310