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31030000022023 = 491366071726379
BaseRepresentation
bin1110000111000101111000…
…01000001111001000000111
311001212102212001110012112221
413003202330020033020013
513031343420001201043
6145554552450153211
76351562220205262
oct703427410171007
9131772761405487
1031030000022023
119983827075582
1235919a4282807
131441168aa9bc2
14793c07c45cd9
1538c2651708ed
hex1c38bc20f207

31030000022023 has 8 divisors (see below), whose sum is σ = 31094064967680. Its totient is φ = 30965938603320.

The previous prime is 31030000022009. The next prime is 31030000022039. The reversal of 31030000022023 is 32022000003013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31030000022023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31030000021988 and 31030000022006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030000022053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17110848 + ... + 18837226.

It is an arithmetic number, because the mean of its divisors is an integer number (3886758120960).

Almost surely, 231030000022023 is an apocalyptic number.

31030000022023 is a deficient number, since it is larger than the sum of its proper divisors (64064945657).

31030000022023 is a wasteful number, since it uses less digits than its factorization.

31030000022023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763477.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 31030000022023 its reverse (32022000003013), we get a palindrome (63052000025036).

The spelling of 31030000022023 in words is "thirty-one trillion, thirty billion, twenty-two thousand, twenty-three".

Divisors: 1 491 36607 1726379 17974037 847652089 63197556053 31030000022023