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31434113042 = 2101155614421
BaseRepresentation
bin11101010001100111…
…101000000000010010
310000010200211101121222
4131101213220000102
51003334113104132
622235102045042
72161652360303
oct352147500022
9100120741558
1031434113042
1112370812422
126113279782
132c6c5289b7
141742aba7aa
15c3e9ab412
hex7519e8012

31434113042 has 8 divisors (see below), whose sum is σ = 47618013132. Its totient is φ = 15561442000.

The previous prime is 31434113023. The next prime is 31434113047. The reversal of 31434113042 is 24031143413.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30659659801 + 774453241 = 175099^2 + 27829^2 .

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

It is not an unprimeable number, because it can be changed into a prime (31434113047) 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, 77807009 + ... + 77807412.

Almost surely, 231434113042 is an apocalyptic number.

31434113042 is a deficient number, since it is larger than the sum of its proper divisors (16183900090).

31434113042 is a wasteful number, since it uses less digits than its factorization.

31434113042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155614524.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 31434113042 its reverse (24031143413), we get a palindrome (55465256455).

The spelling of 31434113042 in words is "thirty-one billion, four hundred thirty-four million, one hundred thirteen thousand, forty-two".

Divisors: 1 2 101 202 155614421 311228842 15717056521 31434113042