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31323300233 = 103439769163
BaseRepresentation
bin11101001011000000…
…111010000110001001
32222211222022112000212
4131023000322012021
51003122231101413
622220103010505
72156135442011
oct351300720611
988758275025
1031323300233
1112314206095
1260a2139a35
132c5259a6a4
1417320b2c41
15c34dbcca8
hex74b03a189

31323300233 has 8 divisors (see below), whose sum is σ = 31635060288. Its totient is φ = 31011687504.

The previous prime is 31323300227. The next prime is 31323300277. The reversal of 31323300233 is 33200332313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31323300233 - 220 = 31322251657 is a prime.

It is a super-2 number, since 2×313233002332 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31323300199 and 31323300208.

It is not an unprimeable number, because it can be changed into a prime (31323300733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418310 + ... + 487472.

It is an arithmetic number, because the mean of its divisors is an integer number (3954382536).

Almost surely, 231323300233 is an apocalyptic number.

It is an amenable number.

31323300233 is a deficient number, since it is larger than the sum of its proper divisors (311760055).

31323300233 is a wasteful number, since it uses less digits than its factorization.

31323300233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73663.

The product of its (nonzero) digits is 2916, while the sum is 23.

Adding to 31323300233 its reverse (33200332313), we get a palindrome (64523632546).

The spelling of 31323300233 in words is "thirty-one billion, three hundred twenty-three million, three hundred thousand, two hundred thirty-three".

Divisors: 1 103 4397 69163 452891 7123789 304109711 31323300233