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1310311051554 = 231991097412941
BaseRepresentation
bin10011000100010100100…
…111111111000100100010
311122021010211102010212110
4103010110213333010202
5132432004112122204
62441540521140150
7163444505112231
oct23042447770442
94567124363773
101310311051554
114657774798aa
12191b4462a656
139673c381a8b
14475c2b5ab18
152413e276889
hex131149ff122

1310311051554 has 16 divisors (see below), whose sum is σ = 2633791060800. Its totient is φ = 434575524240.

The previous prime is 1310311051519. The next prime is 1310311051573. The reversal of 1310311051554 is 4551501130131.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 548705277 + ... + 548707664.

It is an arithmetic number, because the mean of its divisors is an integer number (164611941300).

Almost surely, 21310311051554 is an apocalyptic number.

1310311051554 is an abundant number, since it is smaller than the sum of its proper divisors (1323480009246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1310311051554 is a wasteful number, since it uses less digits than its factorization.

1310311051554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097413145.

The product of its (nonzero) digits is 4500, while the sum is 30.

Adding to 1310311051554 its reverse (4551501130131), we get a palindrome (5861812181685).

The spelling of 1310311051554 in words is "one trillion, three hundred ten billion, three hundred eleven million, fifty-one thousand, five hundred fifty-four".

Divisors: 1 2 3 6 199 398 597 1194 1097412941 2194825882 3292238823 6584477646 218385175259 436770350518 655155525777 1310311051554