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201024040031 = 3789498712241
BaseRepresentation
bin1011101100110111110…
…1110110110001011111
3201012212201012022022222
42323031331312301133
511243144123240111
6232203230455555
720344364101313
oct2731575666137
9635781168288
10201024040031
1178287914681
1232b626645bb
1315c58525619
149a300c9b43
1553683037db
hex2ecdf76c5f

201024040031 has 16 divisors (see below), whose sum is σ = 208835788320. Its totient is φ = 193338731520.

The previous prime is 201024040013. The next prime is 201024040097. The reversal of 201024040031 is 130040420102.

It is a cyclic number.

It is not a de Polignac number, because 201024040031 - 26 = 201024039967 is a prime.

It is a super-2 number, since 2×2010240400312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201024039991 and 201024040009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201024040831) 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, 16416071 + ... + 16428311.

It is an arithmetic number, because the mean of its divisors is an integer number (13052236770).

Almost surely, 2201024040031 is an apocalyptic number.

201024040031 is a deficient number, since it is larger than the sum of its proper divisors (7811748289).

201024040031 is a wasteful number, since it uses less digits than its factorization.

201024040031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17354.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 201024040031 its reverse (130040420102), we get a palindrome (331064460133).

The spelling of 201024040031 in words is "two hundred one billion, twenty-four million, forty thousand, thirty-one".

Divisors: 1 37 89 3293 4987 12241 184519 443843 452917 1089449 16422191 40309613 61045867 2258697079 5433082163 201024040031