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31401231212024 = 23139129412182097
BaseRepresentation
bin1110010001111001010110…
…01110110101110111111000
311010011221001210102121100022
413020330223032311313320
513103434210142241044
6150441305415030012
76420443532231542
oct710745316656770
9133157053377308
1031401231212024
11a007207433143
12363192896b308
13146a17b14813b
147a7b832cc692
15396c4108c3ee
hex1c8f2b3b5df8

31401231212024 has 32 divisors (see below), whose sum is σ = 59305495863600. Its totient is φ = 15586449876480.

The previous prime is 31401231211997. The next prime is 31401231212069. The reversal of 31401231212024 is 42021213210413.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31401231211984 and 31401231212002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13299344 + ... + 15481440.

Almost surely, 231401231212024 is an apocalyptic number.

It is an amenable number.

31401231212024 is a deficient number, since it is larger than the sum of its proper divisors (27904264651576).

31401231212024 is a wasteful number, since it uses less digits than its factorization.

31401231212024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195183 (or 2195179 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 31401231212024 its reverse (42021213210413), we get a palindrome (73422444422437).

The spelling of 31401231212024 in words is "thirty-one trillion, four hundred one billion, two hundred thirty-one million, two hundred twelve thousand, twenty-four".

Divisors: 1 2 4 8 139 278 556 1112 12941 25882 51764 103528 1798799 2182097 3597598 4364194 7195196 8728388 14390392 17456776 303311483 606622966 1213245932 2426491864 28238517277 56477034554 112954069108 225908138216 3925153901503 7850307803006 15700615606012 31401231212024