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31400233134 = 23137123730881
BaseRepresentation
bin11101001111100110…
…011000100010101110
310000001100002010010120
4131033212120202232
51003301424430014
622231451545410
72161061402124
oct351746304256
9100040063116
1031400233134
11123536819a6
126103a5b266
132c654c5a0a
14173c3bb914
15c3ba17ba9
hex74f9988ae

31400233134 has 32 divisors (see below), whose sum is σ = 63312052896. Its totient is φ = 10381608960.

The previous prime is 31400233127. The next prime is 31400233141. The reversal of 31400233134 is 43133200413.

It is an interprime number because it is at equal distance from previous prime (31400233127) and next prime (31400233141).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1001374 + ... + 1032254.

It is an arithmetic number, because the mean of its divisors is an integer number (1978501653).

Almost surely, 231400233134 is an apocalyptic number.

31400233134 is an abundant number, since it is smaller than the sum of its proper divisors (31911819762).

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

31400233134 is a wasteful number, since it uses less digits than its factorization.

31400233134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32260.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 31400233134 its reverse (43133200413), we get a palindrome (74533433547).

The spelling of 31400233134 in words is "thirty-one billion, four hundred million, two hundred thirty-three thousand, one hundred thirty-four".

Divisors: 1 2 3 6 137 274 411 822 1237 2474 3711 7422 30881 61762 92643 169469 185286 338938 508407 1016814 4230697 8461394 12692091 25384182 38199797 76399594 114599391 229198782 5233372189 10466744378 15700116567 31400233134