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3101132312021 = 16788723119059
BaseRepresentation
bin101101001000001001111…
…000111100110111010101
3101222110120020120000210002
4231020021320330313111
5401302104332441041
610332350203541045
7440022643503602
oct55101170746725
911873506500702
103101132312021
11a96201386637
1242102ab2a785
13196587ac4753
14aa14a4a76a9
1555a0309859b
hex2d209e3cdd5

3101132312021 has 16 divisors (see below), whose sum is σ = 3124915476480. Its totient is φ = 3077415282480.

The previous prime is 3101132311969. The next prime is 3101132312023. The reversal of 3101132312021 is 1202132311013.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3101132312021 - 230 = 3100058570197 is a prime.

It is a super-2 number, since 2×31011323120212 (a number of 26 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 = 3101132311984 and 3101132312002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101132312023) 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, 342321590 + ... + 342330648.

It is an arithmetic number, because the mean of its divisors is an integer number (195307217280).

Almost surely, 23101132312021 is an apocalyptic number.

It is an amenable number.

3101132312021 is a deficient number, since it is larger than the sum of its proper divisors (23783164459).

3101132312021 is a wasteful number, since it uses less digits than its factorization.

3101132312021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12424.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 3101132312021 its reverse (1202132311013), we get a palindrome (4303264623034).

The spelling of 3101132312021 in words is "three trillion, one hundred one billion, one hundred thirty-two million, three hundred twelve thousand, twenty-one".

Divisors: 1 167 887 2311 9059 148129 385937 1512853 2049857 8035333 20935349 342326119 1341900611 3496203283 18569654563 3101132312021