Search a number
-
+
31312101030323 = 83377254229281
BaseRepresentation
bin1110001111010011010101…
…01010001011100110110011
311002212102000011021020121112
413013221222222023212303
513101004140330432243
6150332325225543535
76411140024210441
oct707515252134663
9132772004236545
1031312101030323
119a824297aa453
1236185b3344bab
1314619455b2959
147a3729b31b91
15394776279818
hex1c7a6aa8b9b3

31312101030323 has 4 divisors (see below), whose sum is σ = 31689355259688. Its totient is φ = 30934846800960.

The previous prime is 31312101030311. The next prime is 31312101030341. The reversal of 31312101030323 is 32303010121313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31312101030323 - 216 = 31312100964787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31312101030383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188627114558 + ... + 188627114723.

It is an arithmetic number, because the mean of its divisors is an integer number (7922338814922).

Almost surely, 231312101030323 is an apocalyptic number.

31312101030323 is a deficient number, since it is larger than the sum of its proper divisors (377254229365).

31312101030323 is an equidigital number, since it uses as much as digits as its factorization.

31312101030323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377254229364.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31312101030323 its reverse (32303010121313), we get a palindrome (63615111151636).

The spelling of 31312101030323 in words is "thirty-one trillion, three hundred twelve billion, one hundred one million, thirty thousand, three hundred twenty-three".

Divisors: 1 83 377254229281 31312101030323