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10201031231031 = 329775715435971
BaseRepresentation
bin1001010001110001110011…
…0101111100011000110111
31100010012122101221220100200
42110130130311330120313
52314113202443343111
633410142234011543
72102000030535624
oct224343465743067
940105571856320
1010201031231031
11328326220a373
121189040876bb3
1358cc50ccac74
14273a3816b34b
1512a543bb7256
hex9471cd7c637

10201031231031 has 24 divisors (see below), whose sum is σ = 14906394672624. Its totient is φ = 6721685752320.

The previous prime is 10201031230997. The next prime is 10201031231057. The reversal of 10201031231031 is 13013213010201.

10201031231031 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 10 + 312 + 310 + 31 = 666.

It is not a de Polignac number, because 10201031231031 - 227 = 10200897013303 is a prime.

It is a super-2 number, since 2×102010312310312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10201031230995 and 10201031231013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201031231231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7057125 + ... + 8378846.

It is an arithmetic number, because the mean of its divisors is an integer number (621099778026).

Almost surely, 210201031231031 is an apocalyptic number.

10201031231031 is a deficient number, since it is larger than the sum of its proper divisors (4705363441593).

10201031231031 is a wasteful number, since it uses less digits than its factorization.

10201031231031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15436831 (or 15436828 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 10201031231031 its reverse (13013213010201), we get a palindrome (23214244241232).

The spelling of 10201031231031 in words is "ten trillion, two hundred one billion, thirty-one million, two hundred thirty-one thousand, thirty-one".

Divisors: 1 3 9 97 291 757 873 2271 6813 73429 220287 660861 15435971 46307913 138923739 1497289187 4491867561 11685030047 13475602683 35055090141 105165270423 1133447914559 3400343743677 10201031231031