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31404440122 = 2111427474551
BaseRepresentation
bin11101001111110110…
…011011101000111010
310000001121222212000221
4131033312123220322
51003304014040442
622232122050254
72161142223316
oct351766335072
9100047885027
1031404440122
1112355a95750
12610534998a
132c66339863
14173cb94b46
15c3c099467
hex74fd9ba3a

31404440122 has 8 divisors (see below), whose sum is σ = 51389083872. Its totient is φ = 14274745500.

The previous prime is 31404440101. The next prime is 31404440147. The reversal of 31404440122 is 22104440413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713737254 + ... + 713737297.

It is an arithmetic number, because the mean of its divisors is an integer number (6423635484).

Almost surely, 231404440122 is an apocalyptic number.

31404440122 is a deficient number, since it is larger than the sum of its proper divisors (19984643750).

31404440122 is a wasteful number, since it uses less digits than its factorization.

31404440122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427474564.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 31404440122 its reverse (22104440413), we get a palindrome (53508880535).

The spelling of 31404440122 in words is "thirty-one billion, four hundred four million, four hundred forty thousand, one hundred twenty-two".

Divisors: 1 2 11 22 1427474551 2854949102 15702220061 31404440122