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31312230130203 = 311948855458491
BaseRepresentation
bin1110001111010011100100…
…10110101010001000011011
311002212102100011012012100120
413013221302112222020123
513101004421403131303
6150332350121004323
76411143152432101
oct707516226521033
9132772304165316
1031312230130203
119a82495667070
12361862a6236a3
131461966274809
147a373cd39c71
1539478277b553
hex1c7a725aa21b

31312230130203 has 8 divisors (see below), whose sum is σ = 45545062007616. Its totient is φ = 18977109169800.

The previous prime is 31312230130199. The next prime is 31312230130229. The reversal of 31312230130203 is 30203103221313.

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

It is not a de Polignac number, because 31312230130203 - 22 = 31312230130199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31312230130243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474427729213 + ... + 474427729278.

It is an arithmetic number, because the mean of its divisors is an integer number (5693132750952).

Almost surely, 231312230130203 is an apocalyptic number.

31312230130203 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

31312230130203 is a deficient number, since it is larger than the sum of its proper divisors (14232831877413).

31312230130203 is a wasteful number, since it uses less digits than its factorization.

31312230130203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948855458505.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 31312230130203 its reverse (30203103221313), we get a palindrome (61515333351516).

The spelling of 31312230130203 in words is "thirty-one trillion, three hundred twelve billion, two hundred thirty million, one hundred thirty thousand, two hundred three".

Divisors: 1 3 11 33 948855458491 2846566375473 10437410043401 31312230130203