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31100121231110 = 253110012123111
BaseRepresentation
bin1110001001001000011111…
…01011011010111100000110
311002010010211220212201000222
413010210033223122330012
513034021022013343420
6150051110511104342
76356623665513221
oct704441753327406
9132103756781028
1031100121231110
119a0053a724848
1235a34b38120b2
1314479623828b9
1479737a9b05b8
1538debb225225
hex1c490fadaf06

31100121231110 has 8 divisors (see below), whose sum is σ = 55980218216016. Its totient is φ = 12440048492440.

The previous prime is 31100121231107. The next prime is 31100121231139. The reversal of 31100121231110 is 1113212100113.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1555006061546 + ... + 1555006061565.

It is an arithmetic number, because the mean of its divisors is an integer number (6997527277002).

Almost surely, 231100121231110 is an apocalyptic number.

31100121231110 is a deficient number, since it is larger than the sum of its proper divisors (24880096984906).

31100121231110 is a wasteful number, since it uses less digits than its factorization.

31100121231110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110012123118.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 31100121231110 its reverse (1113212100113), we get a palindrome (32213333331223).

The spelling of 31100121231110 in words is "thirty-one trillion, one hundred billion, one hundred twenty-one million, two hundred thirty-one thousand, one hundred ten".

Divisors: 1 2 5 10 3110012123111 6220024246222 15550060615555 31100121231110