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31232012104403 = 1118121317361143
BaseRepresentation
bin1110001100111110001001…
…11111001011001011010011
311002120202021121211021011222
413012133010333023023103
513043201130044320103
6150231442134155255
76402303242445545
oct706370477131323
9132522247737158
1031232012104403
119a51470685a80
123604b817b2b2b
131457220c13a66
1479d8cd249695
1539263a092638
hex1c67c4fcb2d3

31232012104403 has 16 divisors (see below), whose sum is σ = 34275606473472. Its totient is φ = 28222618428000.

The previous prime is 31232012104301. The next prime is 31232012104441. The reversal of 31232012104403 is 30440121023213.

It is a cyclic number.

It is not a de Polignac number, because 31232012104403 - 222 = 31232007910099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31232012104453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562250 + ... + 7923392.

It is an arithmetic number, because the mean of its divisors is an integer number (2142225404592).

Almost surely, 231232012104403 is an apocalyptic number.

31232012104403 is a deficient number, since it is larger than the sum of its proper divisors (3043594369069).

31232012104403 is a wasteful number, since it uses less digits than its factorization.

31232012104403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7363466.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 31232012104403 its reverse (30440121023213), we get a palindrome (61672133127616).

The spelling of 31232012104403 in words is "thirty-one trillion, two hundred thirty-two billion, twelve million, one hundred four thousand, four hundred three".

Divisors: 1 11 181 1991 2131 23441 385711 4242821 7361143 80972573 1332366883 14656035713 15686595733 172552553063 2839273827673 31232012104403