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31044200222 = 2714657151289
BaseRepresentation
bin11100111010011000…
…001110011100011110
32222010112010202210102
4130322120032130132
51002034303401342
622132252541102
72146206230240
oct347230163436
988115122712
1031044200222
1112190707122
126024781792
132c09809859
141706dc0090
15c1a63b832
hex73a60e71e

31044200222 has 16 divisors (see below), whose sum is σ = 53222611680. Its totient is φ = 13303661568.

The previous prime is 31044200177. The next prime is 31044200249. The reversal of 31044200222 is 22200244013.

It is a junction number, because it is equal to n+sod(n) for n = 31044200194 and 31044200203.

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 7 ways as a sum of consecutive naturals, for example, 129554 + ... + 280842.

It is an arithmetic number, because the mean of its divisors is an integer number (3326413230).

Almost surely, 231044200222 is an apocalyptic number.

31044200222 is a deficient number, since it is larger than the sum of its proper divisors (22178411458).

31044200222 is a wasteful number, since it uses less digits than its factorization.

31044200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165955.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 31044200222 its reverse (22200244013), we get a palindrome (53244444235).

The spelling of 31044200222 in words is "thirty-one billion, forty-four million, two hundred thousand, two hundred twenty-two".

Divisors: 1 2 7 14 14657 29314 102599 151289 205198 302578 1059023 2118046 2217442873 4434885746 15522100111 31044200222