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31041413644 = 22311032430427
BaseRepresentation
bin11100111010001101…
…100110001000001100
32222010022220012022211
4130322031212020030
51002033100214034
622132113120204
72146143443143
oct347215461014
988108805284
1031041413644
111218a08356a
126023859064
132c090723a7
14170689675a
15c1a28ad64
hex73a36620c

31041413644 has 24 divisors (see below), whose sum is σ = 56619250688. Its totient is φ = 14874207120.

The previous prime is 31041413633. The next prime is 31041413651. The reversal of 31041413644 is 44631414013.

It is a super-2 number, since 2×310414136442 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 1202442 + ... + 1227985.

Almost surely, 231041413644 is an apocalyptic number.

It is an amenable number.

31041413644 is a deficient number, since it is larger than the sum of its proper divisors (25577837044).

31041413644 is a wasteful number, since it uses less digits than its factorization.

31041413644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430565 (or 2430563 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 31041413644 its reverse (44631414013), we get a palindrome (75672827657).

The spelling of 31041413644 in words is "thirty-one billion, forty-one million, four hundred thirteen thousand, six hundred forty-four".

Divisors: 1 2 4 31 62 103 124 206 412 3193 6386 12772 2430427 4860854 9721708 75343237 150686474 250333981 301372948 500667962 1001335924 7760353411 15520706822 31041413644