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101310222031 = 195332116949
BaseRepresentation
bin101111001011010001…
…1110100111011001111
3100200111111001111222121
41132112203310323033
53124440404101111
6114312525353411
710214363451544
oct1362643647317
9320444044877
10101310222031
1139a68a85327
1217774708867
1397270b6355
144c91082bcb
15297e298871
hex17968f4ecf

101310222031 has 4 divisors (see below), whose sum is σ = 106642339000. Its totient is φ = 95978105064.

The previous prime is 101310222023. The next prime is 101310222071. The reversal of 101310222031 is 130222013101.

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

It is a cyclic number.

It is not a de Polignac number, because 101310222031 - 23 = 101310222023 is a prime.

It is a super-2 number, since 2×1013102220312 (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 = 101310221996 and 101310222014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101310222001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2666058456 + ... + 2666058493.

It is an arithmetic number, because the mean of its divisors is an integer number (26660584750).

Almost surely, 2101310222031 is an apocalyptic number.

101310222031 is a deficient number, since it is larger than the sum of its proper divisors (5332116969).

101310222031 is an equidigital number, since it uses as much as digits as its factorization.

101310222031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5332116968.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 101310222031 its reverse (130222013101), we get a palindrome (231532235132).

The spelling of 101310222031 in words is "one hundred one billion, three hundred ten million, two hundred twenty-two thousand, thirty-one".

Divisors: 1 19 5332116949 101310222031