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31012111003003 = 138926803898879
BaseRepresentation
bin1110000110100100100011…
…10111000010110101111011
311001210201200100002212210221
413003102101313002311323
513031100300404044003
6145542433410320511
76350360010102004
oct703222167026573
9131721610085727
1031012111003003
1199771871a4839
12358a431289137
13143c577866350
14792dcc0681ab
1538ba698da7bd
hex1c3491dc2d7b

31012111003003 has 8 divisors (see below), whose sum is σ = 33772912588800. Its totient is φ = 28304917215168.

The previous prime is 31012111002979. The next prime is 31012111003037. The reversal of 31012111003003 is 30030011121013.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31012111003003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31012111003043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13401948283 + ... + 13401950596.

It is an arithmetic number, because the mean of its divisors is an integer number (4221614073600).

Almost surely, 231012111003003 is an apocalyptic number.

31012111003003 is a deficient number, since it is larger than the sum of its proper divisors (2760801585797).

31012111003003 is a wasteful number, since it uses less digits than its factorization.

31012111003003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26803898981.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 31012111003003 its reverse (30030011121013), we get a palindrome (61042122124016).

The spelling of 31012111003003 in words is "thirty-one trillion, twelve billion, one hundred eleven million, three thousand, three".

Divisors: 1 13 89 1157 26803898879 348450685427 2385547000231 31012111003003