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10310111031 = 3112315189959
BaseRepresentation
bin10011001101000011…
…11100111100110111
3222121112021220111010
421212201330330313
5132103342023111
64423021243303
7513331332513
oct114641747467
928545256433
1010310111031
114410875020
121bb8a03533
13c8401851c
146db409143
15405217aa6
hex26687cf37

10310111031 has 32 divisors (see below), whose sum is σ = 15752355840. Its totient is φ = 5937228000.

The previous prime is 10310111027. The next prime is 10310111081. The reversal of 10310111031 is 13011101301.

It is not a de Polignac number, because 10310111031 - 22 = 10310111027 is a prime.

It is a super-2 number, since 2×103101110312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10310110998 and 10310111016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10310111081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69630 + ... + 159588.

It is an arithmetic number, because the mean of its divisors is an integer number (492261120).

Almost surely, 210310111031 is an apocalyptic number.

10310111031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10310111031 is a deficient number, since it is larger than the sum of its proper divisors (5442244809).

10310111031 is a wasteful number, since it uses less digits than its factorization.

10310111031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90147.

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 10310111031 its reverse (13011101301), we get a palindrome (23321212332).

The spelling of 10310111031 in words is "ten billion, three hundred ten million, one hundred eleven thousand, thirty-one".

Divisors: 1 3 11 23 33 69 151 253 453 759 1661 3473 4983 10419 38203 89959 114609 269877 989549 2069057 2968647 6207171 13583809 22759627 40751427 68278881 149421899 312427607 448265697 937282821 3436703677 10310111031