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31322141101 = 41763954661
BaseRepresentation
bin11101001010111100…
…011111000110101101
32222211220010122000001
4131022330133012231
51003121432003401
622220022104301
72156122543426
oct351274370655
988756118001
1031322141101
1112313594229
1260a187b091
132c52282c04
141731c9064d
15c34c3e601
hex74af1f1ad

31322141101 has 4 divisors (see below), whose sum is σ = 32086095804. Its totient is φ = 30558186400.

The previous prime is 31322141063. The next prime is 31322141111. The reversal of 31322141101 is 10114122313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10114122313 = 19532322227.

It can be written as a sum of positive squares in 2 ways, for example, as 11412648900 + 19909492201 = 106830^2 + 141101^2 .

It is a cyclic number.

It is not a de Polignac number, because 31322141101 - 27 = 31322140973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31322141111) 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, 381977290 + ... + 381977371.

It is an arithmetic number, because the mean of its divisors is an integer number (8021523951).

Almost surely, 231322141101 is an apocalyptic number.

It is an amenable number.

31322141101 is a deficient number, since it is larger than the sum of its proper divisors (763954703).

31322141101 is an equidigital number, since it uses as much as digits as its factorization.

31322141101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763954702.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 31322141101 its reverse (10114122313), we get a palindrome (41436263414).

The spelling of 31322141101 in words is "thirty-one billion, three hundred twenty-two million, one hundred forty-one thousand, one hundred one".

Divisors: 1 41 763954661 31322141101