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31103112010 = 255359994663
BaseRepresentation
bin11100111101111000…
…111101001101001010
32222021121222210120111
4130331320331031022
51002144344041020
622142155344534
72150523042565
oct347570751512
988247883514
1031103112010
1112210994453
12604045214a
132c18a953b9
141710b574dc
15c208c6d5a
hex73de3d34a

31103112010 has 32 divisors (see below), whose sum is σ = 58008804480. Its totient is φ = 11999602368.

The previous prime is 31103111989. The next prime is 31103112011. The reversal of 31103112010 is 1021130113.

It is not an unprimeable number, because it can be changed into a prime (31103112011) 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, 466062 + ... + 528601.

It is an arithmetic number, because the mean of its divisors is an integer number (1812775140).

Almost surely, 231103112010 is an apocalyptic number.

31103112010 is a deficient number, since it is larger than the sum of its proper divisors (26905692470).

31103112010 is a wasteful number, since it uses less digits than its factorization.

31103112010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994782.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 31103112010 its reverse (1021130113), we get a palindrome (32124242123).

The spelling of 31103112010 in words is "thirty-one billion, one hundred three million, one hundred twelve thousand, ten".

Divisors: 1 2 5 10 53 59 106 118 265 295 530 590 3127 6254 15635 31270 994663 1989326 4973315 9946630 52717139 58685117 105434278 117370234 263585695 293425585 527171390 586851170 3110311201 6220622402 15551556005 31103112010