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31422011294 = 215711005647
BaseRepresentation
bin11101010000111001…
…011101011110011110
310000002212001120011002
4131100321131132132
51003323013330134
622233550430302
72161444455242
oct352071353636
9100085046132
1031422011294
11123649a7183
12610b202392
132c69b7c5bb
14174124a422
15c3d8ba87e
hex750e5d79e

31422011294 has 4 divisors (see below), whose sum is σ = 47133016944. Its totient is φ = 15711005646.

The previous prime is 31422011293. The next prime is 31422011329. The reversal of 31422011294 is 49211022413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49211022413 = 77030146059.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31422011293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7855502822 + ... + 7855502825.

It is an arithmetic number, because the mean of its divisors is an integer number (11783254236).

Almost surely, 231422011294 is an apocalyptic number.

31422011294 is a deficient number, since it is larger than the sum of its proper divisors (15711005650).

31422011294 is a wasteful number, since it uses less digits than its factorization.

31422011294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15711005649.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 31422011294 in words is "thirty-one billion, four hundred twenty-two million, eleven thousand, two hundred ninety-four".

Divisors: 1 2 15711005647 31422011294