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31423553454153 = 3710289571454249
BaseRepresentation
bin1110010010100010111011…
…01111011100000001001001
311010021001200110122222220210
413021101131233130001021
513104320414141013103
6150455440422111333
76422163643164630
oct711213557340111
9133231613588823
1031423553454153
11a015721795033
12363611857b549
13146c2c7984a33
147a8c9db92517
153975eab1ee03
hex1c945dbdc049

31423553454153 has 16 divisors (see below), whose sum is σ = 47883589488000. Its totient is φ = 17956286461056.

The previous prime is 31423553454091. The next prime is 31423553454173. The reversal of 31423553454153 is 35145435532413.

It is a happy number.

It is not a de Polignac number, because 31423553454153 - 29 = 31423553453641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31423553454173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20880973 + ... + 22335221.

It is an arithmetic number, because the mean of its divisors is an integer number (2992724343000).

Almost surely, 231423553454153 is an apocalyptic number.

It is an amenable number.

31423553454153 is a deficient number, since it is larger than the sum of its proper divisors (16460036033847).

31423553454153 is a wasteful number, since it uses less digits than its factorization.

31423553454153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483216.

The product of its digits is 6480000, while the sum is 48.

Adding to 31423553454153 its reverse (35145435532413), we get a palindrome (66568988986566).

The spelling of 31423553454153 in words is "thirty-one trillion, four hundred twenty-three billion, five hundred fifty-three million, four hundred fifty-four thousand, one hundred fifty-three".

Divisors: 1 3 7 21 1028957 1454249 3086871 4362747 7202699 10179743 21608097 30539229 1496359688293 4489079064879 10474517818051 31423553454153