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31434235524113 = 172350978653821
BaseRepresentation
bin1110010010110110110100…
…11100010011010000010001
311010022002020220212101010112
413021123122130103100101
513110004303243232423
6150504404412011105
76423022442243012
oct711333234232021
9133262226771115
1031434235524113
11a01a203512324
1236381b9a60a95
13147030aa743a6
147a95d4743009
15397a2380ca78
hex1c96da713411

31434235524113 has 8 divisors (see below), whose sum is σ = 33284724393960. Its totient is φ = 29583904008960.

The previous prime is 31434235524053. The next prime is 31434235524127. The reversal of 31434235524113 is 31142553243413.

It can be written as a sum of positive squares in 4 ways, for example, as 26104864741264 + 5329370782849 = 5109292^2 + 2308543^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31434235524113 is a prime.

It is a super-2 number, since 2×314342355241132 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31434235524193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38927258 + ... + 39726563.

It is an arithmetic number, because the mean of its divisors is an integer number (4160590549245).

Almost surely, 231434235524113 is an apocalyptic number.

It is an amenable number.

31434235524113 is a deficient number, since it is larger than the sum of its proper divisors (1850488869847).

31434235524113 is a wasteful number, since it uses less digits than its factorization.

31434235524113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78677347.

The product of its digits is 518400, while the sum is 41.

Adding to 31434235524113 its reverse (31142553243413), we get a palindrome (62576788767526).

The spelling of 31434235524113 in words is "thirty-one trillion, four hundred thirty-four billion, two hundred thirty-five million, five hundred twenty-four thousand, one hundred thirteen".

Divisors: 1 17 23509 399653 78653821 1337114957 1849072677889 31434235524113