Search a number
-
+
31310412044 = 227827603011
BaseRepresentation
bin11101001010001111…
…101111100100001100
32222211002001201202112
4131022033233210030
51003110431141134
622214522443152
72155621053062
oct351217574414
988732051675
1031310412044
1112307a02a9a
1260999634b8
132c4ca07342
1417304ba032
15c33bc41ce
hex74a3ef90c

31310412044 has 6 divisors (see below), whose sum is σ = 54793221084. Its totient is φ = 15655206020.

The previous prime is 31310412043. The next prime is 31310412071. The reversal of 31310412044 is 44021401313.

It is not an unprimeable number, because it can be changed into a prime (31310412043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3913801502 + ... + 3913801509.

It is an arithmetic number, because the mean of its divisors is an integer number (9132203514).

Almost surely, 231310412044 is an apocalyptic number.

It is an amenable number.

31310412044 is a deficient number, since it is larger than the sum of its proper divisors (23482809040).

31310412044 is a wasteful number, since it uses less digits than its factorization.

31310412044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7827603015 (or 7827603013 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 31310412044 its reverse (44021401313), we get a palindrome (75331813357).

The spelling of 31310412044 in words is "thirty-one billion, three hundred ten million, four hundred twelve thousand, forty-four".

Divisors: 1 2 4 7827603011 15655206022 31310412044