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31011121114 = 215505560557
BaseRepresentation
bin11100111000011010…
…000010011111011010
32222001012220011210021
4130320122002133122
51002002321333424
622125111541054
72145325115551
oct347032023732
988035804707
1031011121114
1112173a73316
12601568a78a
132c029c720c
14170284cd98
15c177a54e4
hex7386827da

31011121114 has 4 divisors (see below), whose sum is σ = 46516681674. Its totient is φ = 15505560556.

The previous prime is 31011121093. The next prime is 31011121121. The reversal of 31011121114 is 41112111013.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24544548889 + 6466572225 = 156667^2 + 80415^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7752780277 + ... + 7752780280.

Almost surely, 231011121114 is an apocalyptic number.

31011121114 is a deficient number, since it is larger than the sum of its proper divisors (15505560560).

31011121114 is a wasteful number, since it uses less digits than its factorization.

31011121114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15505560559.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 31011121114 its reverse (41112111013), we get a palindrome (72123232127).

The spelling of 31011121114 in words is "thirty-one billion, eleven million, one hundred twenty-one thousand, one hundred fourteen".

Divisors: 1 2 15505560557 31011121114