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2031103232031 = 35939112934073
BaseRepresentation
bin11101100011100111001…
…011111100100000011111
321012011122002001202011210
4131203213023330200133
5231234144411411111
64153024223115503
7266512426420566
oct35434713744037
97164562052153
102031103232031
11713427907425
12289784442b93
131196bc36c293
147043d638bdd
1537c788ca0a6
hex1d8e72fc81f

2031103232031 has 16 divisors (see below), whose sum is σ = 2754743397120. Its totient is φ = 1330777696320.

The previous prime is 2031103232021. The next prime is 2031103232051. The reversal of 2031103232031 is 1302323011302.

It is not a de Polignac number, because 2031103232031 - 27 = 2031103231903 is a prime.

It is a super-2 number, since 2×20311032320312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2031103231989 and 2031103232007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031103232021) 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, 774790 + ... + 2159283.

It is an arithmetic number, because the mean of its divisors is an integer number (172171462320).

Almost surely, 22031103232031 is an apocalyptic number.

2031103232031 is a deficient number, since it is larger than the sum of its proper divisors (723640165089).

2031103232031 is a wasteful number, since it uses less digits than its factorization.

2031103232031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938046.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2031103232031 its reverse (1302323011302), we get a palindrome (3333426243333).

The spelling of 2031103232031 in words is "two trillion, thirty-one billion, one hundred three million, two hundred thirty-two thousand, thirty-one".

Divisors: 1 3 59 177 3911 11733 230749 692247 2934073 8802219 173110307 519330921 11475159503 34425478509 677034410677 2031103232031