Search a number
-
+
314531031442 = 2157265515721
BaseRepresentation
bin1001001001110111000…
…00101010100110010010
31010001212012121220111211
410210323200222212102
520123124421001232
6400254335330334
731503241440445
oct4447340524622
91101765556454
10314531031442
111114346272a1
1250b5b9809aa
1323877469174
141131ad6b65c
1582ad239a47
hex493b82a992

314531031442 has 4 divisors (see below), whose sum is σ = 471796547166. Its totient is φ = 157265515720.

The previous prime is 314531031433. The next prime is 314531031481. The reversal of 314531031442 is 244130135413.

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

It can be written as a sum of positive squares in only one way, i.e., 312278674761 + 2252356681 = 558819^2 + 47459^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78632757859 + ... + 78632757862.

Almost surely, 2314531031442 is an apocalyptic number.

314531031442 is a deficient number, since it is larger than the sum of its proper divisors (157265515724).

314531031442 is a wasteful number, since it uses less digits than its factorization.

314531031442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157265515723.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 314531031442 its reverse (244130135413), we get a palindrome (558661166855).

The spelling of 314531031442 in words is "three hundred fourteen billion, five hundred thirty-one million, thirty-one thousand, four hundred forty-two".

Divisors: 1 2 157265515721 314531031442