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31000211404 = 2227128597981
BaseRepresentation
bin11100110111110000…
…011010111111001100
32222000110100220110221
4130313300122333030
51001442023231104
622124042041124
72145133310041
oct346760327714
988013326427
1031000211404
11121688a1728
126011aa91a4
132c00677576
14170120d1c8
15c1684cc54
hex737c1afcc

31000211404 has 12 divisors (see below), whose sum is σ = 54450557728. Its totient is φ = 15442909200.

The previous prime is 31000211369. The next prime is 31000211413. The reversal of 31000211404 is 40411200013.

It is a super-2 number, since 2×310002114042 (a number of 22 digits) contains 22 as substring.

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, 14297907 + ... + 14300074.

Almost surely, 231000211404 is an apocalyptic number.

It is an amenable number.

31000211404 is a deficient number, since it is larger than the sum of its proper divisors (23450346324).

31000211404 is a wasteful number, since it uses less digits than its factorization.

31000211404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28598256 (or 28598254 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 31000211404 its reverse (40411200013), we get a palindrome (71411411417).

The spelling of 31000211404 in words is "thirty-one billion, two hundred eleven thousand, four hundred four".

Divisors: 1 2 4 271 542 1084 28597981 57195962 114391924 7750052851 15500105702 31000211404