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31030201434313 = 266939311624441
BaseRepresentation
bin1110000111000110010000…
…01000100100000011001001
311001212110101002110000021101
413003203020020210003021
513031344323031344223
6145555024443141401
76351600214164154
oct703431010440311
9131773332400241
1031030201434313
11998391a832614
123591a3b814861
13144119b739c83
14793c268b4c9b
1538c277ba84ad
hex1c38c82240c9

31030201434313 has 4 divisors (see below), whose sum is σ = 31030215728148. Its totient is φ = 31030187140480.

The previous prime is 31030201434301. The next prime is 31030201434361. The reversal of 31030201434313 is 31343410203013.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19087392063744 + 11942809370569 = 4368912^2 + 3455837^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31030201434313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31030201434383) 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, 3142828 + ... + 8481613.

It is an arithmetic number, because the mean of its divisors is an integer number (7757553932037).

Almost surely, 231030201434313 is an apocalyptic number.

It is an amenable number.

31030201434313 is a deficient number, since it is larger than the sum of its proper divisors (14293835).

31030201434313 is a wasteful number, since it uses less digits than its factorization.

31030201434313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14293834.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 31030201434313 its reverse (31343410203013), we get a palindrome (62373611637326).

The spelling of 31030201434313 in words is "thirty-one trillion, thirty billion, two hundred one million, four hundred thirty-four thousand, three hundred thirteen".

Divisors: 1 2669393 11624441 31030201434313