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31303367007 = 3114878772221
BaseRepresentation
bin11101001001110100…
…110111100101011111
32222210120210210210020
4131021310313211133
51003102130221012
622214111443223
72155504141443
oct351164674537
988716723706
1031303367007
1112303a30a50
126097526513
132c4b40b793
14172d5a4823
15c33281a8c
hex749d3795f

31303367007 has 32 divisors (see below), whose sum is σ = 45698256384. Its totient is φ = 18902678400.

The previous prime is 31303366979. The next prime is 31303367033. The reversal of 31303367007 is 70076330313.

It is not a de Polignac number, because 31303367007 - 211 = 31303364959 is a prime.

It is a super-2 number, since 2×313033670072 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31303367047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14093157 + ... + 14095377.

It is an arithmetic number, because the mean of its divisors is an integer number (1428070512).

Almost surely, 231303367007 is an apocalyptic number.

31303367007 is a deficient number, since it is larger than the sum of its proper divisors (14394889377).

31303367007 is a wasteful number, since it uses less digits than its factorization.

31303367007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599.

The product of its (nonzero) digits is 23814, while the sum is 33.

The spelling of 31303367007 in words is "thirty-one billion, three hundred three million, three hundred sixty-seven thousand, seven".

Divisors: 1 3 11 33 487 877 1461 2221 2631 5357 6663 9647 16071 24431 28941 73293 427099 1081627 1281297 1947817 3244881 4698089 5843451 11897897 14094267 21425987 35693691 64277961 948586879 2845760637 10434455669 31303367007