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31035112416 = 2535711173049
BaseRepresentation
bin11100111001110101…
…100011101111100000
32222002220001001200000
4130321311203233200
51002024442044131
622131330100000
72146036050210
oct347165435740
988086031600
1031035112416
111218656a340
12602171a600
132c07977259
141705ad6240
15c19943ce6
hex739d63be0

31035112416 has 576 divisors, whose sum is σ = 120860812800. Its totient is φ = 7584399360.

The previous prime is 31035112393. The next prime is 31035112421. The reversal of 31035112416 is 61421153013.

It is a happy number.

31035112416 is a `hidden beast` number, since 3 + 103 + 511 + 2 + 41 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 31035112416.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10177260 + ... + 10180308.

It is an arithmetic number, because the mean of its divisors is an integer number (209827800).

Almost surely, 231035112416 is an apocalyptic number.

31035112416 is a gapful number since it is divisible by the number (36) 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 31035112416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60430406400).

31035112416 is an abundant number, since it is smaller than the sum of its proper divisors (89825700384).

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

31035112416 is a wasteful number, since it uses less digits than its factorization.

31035112416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109 (or 3089 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 31035112416 its reverse (61421153013), we get a palindrome (92456265429).

The spelling of 31035112416 in words is "thirty-one billion, thirty-five million, one hundred twelve thousand, four hundred sixteen".