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31412022010021 = 136722978801763
BaseRepresentation
bin1110010010001101011100…
…11010011110000010100101
311010012221220211012221101101
413021012232122132002211
513104123310113310041
6150450252251200101
76421305121423162
oct711065632360245
9133187824187341
1031412022010021
11a010844573414
123633a3a746031
13146b1aa915c03
147a84c84a3069
153971735a5b31
hex1c91ae69e0a5

31412022010021 has 4 divisors (see below), whose sum is σ = 31435000813152. Its totient is φ = 31389043206892.

The previous prime is 31412022010003. The next prime is 31412022010079. The reversal of 31412022010021 is 12001022021413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31412022010021 - 25 = 31412022009989 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 (31412022050021) 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, 11489399515 + ... + 11489402248.

It is an arithmetic number, because the mean of its divisors is an integer number (7858750203288).

Almost surely, 231412022010021 is an apocalyptic number.

It is an amenable number.

31412022010021 is a deficient number, since it is larger than the sum of its proper divisors (22978803131).

31412022010021 is a wasteful number, since it uses less digits than its factorization.

31412022010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22978803130.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 31412022010021 its reverse (12001022021413), we get a palindrome (43413044031434).

The spelling of 31412022010021 in words is "thirty-one trillion, four hundred twelve billion, twenty-two million, ten thousand, twenty-one".

Divisors: 1 1367 22978801763 31412022010021