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10031020010131 = 18475430979973
BaseRepresentation
bin1001000111111000011101…
…1000100110101010010011
31022111221211000212001001111
42101332013120212222103
52303322012110311011
633200104215314151
72053501012154521
oct221760730465223
938457730761044
1010031020010131
11321814a31882a
1211600b437b957
13579bc89456c3
1426970ac13311
15125de33a2121
hex91f87626a93

10031020010131 has 4 divisors (see below), whose sum is σ = 10036450991952. Its totient is φ = 10025589028312.

The previous prime is 10031020010107. The next prime is 10031020010227. The reversal of 10031020010131 is 13101002013001.

10031020010131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10031020010131 is a prime.

It is a super-2 number, since 2×100310200101312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10031020010731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2715488140 + ... + 2715491833.

It is an arithmetic number, because the mean of its divisors is an integer number (2509112747988).

Almost surely, 210031020010131 is an apocalyptic number.

10031020010131 is a deficient number, since it is larger than the sum of its proper divisors (5430981821).

10031020010131 is an equidigital number, since it uses as much as digits as its factorization.

10031020010131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5430981820.

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

Adding to 10031020010131 its reverse (13101002013001), we get a palindrome (23132022023132).

The spelling of 10031020010131 in words is "ten trillion, thirty-one billion, twenty million, ten thousand, one hundred thirty-one".

Divisors: 1 1847 5430979973 10031020010131