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31012410000 = 2435411137229
BaseRepresentation
bin11100111000011110…
…111101001010010000
32222001022022122210210
4130320132331022100
51002003134110000
622125155324120
72145342064335
oct347036751220
988038278723
1031012410000
1112174773710
126015bb0640
132c03058a80
141702aa698c
15c1795c350
hex7387bd290

31012410000 has 400 divisors, whose sum is σ = 117630596160. Its totient is φ = 6938880000.

The previous prime is 31012409903. The next prime is 31012410001. The reversal of 31012410000 is 1421013.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (31012410001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4286386 + ... + 4293614.

Almost surely, 231012410000 is an apocalyptic number.

31012410000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31012410000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58815298080).

31012410000 is an abundant number, since it is smaller than the sum of its proper divisors (86618186160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31012410000 is a wasteful number, since it uses less digits than its factorization.

31012410000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7284 (or 7263 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 31012410000 its reverse (1421013), we get a palindrome (31013831013).

The spelling of 31012410000 in words is "thirty-one billion, twelve million, four hundred ten thousand".