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31401414442443 = 3291931186916519
BaseRepresentation
bin1110010001111001101100…
…01001110011110111001011
311010011221112120012200020010
413020330312021303313023
513103440044044124233
6150441335522203003
76420451215533163
oct710746611636713
9133157476180203
1031401414442443
11a0072a0901941
12363197a1b3463
13146a1aa0b04c6
147a7b9d7875a3
15396c521d2b63
hex1c8f36273dcb

31401414442443 has 16 divisors (see below), whose sum is σ = 43334725996800. Its totient is φ = 20201937265440.

The previous prime is 31401414442427. The next prime is 31401414442471. The reversal of 31401414442443 is 34424441410413.

It is not a de Polignac number, because 31401414442443 - 24 = 31401414442427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31401414442543) 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, 93290263 + ... + 93626256.

It is an arithmetic number, because the mean of its divisors is an integer number (2708420374800).

Almost surely, 231401414442443 is an apocalyptic number.

31401414442443 is a deficient number, since it is larger than the sum of its proper divisors (11933311554357).

31401414442443 is a wasteful number, since it uses less digits than its factorization.

31401414442443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186918482.

The product of its (nonzero) digits is 294912, while the sum is 39.

Adding to 31401414442443 its reverse (34424441410413), we get a palindrome (65825855852856).

The spelling of 31401414442443 in words is "thirty-one trillion, four hundred one billion, four hundred fourteen million, four hundred forty-two thousand, four hundred forty-three".

Divisors: 1 3 29 87 1931 5793 55999 167997 186916519 560749557 5420579051 16261737153 360935798189 1082807394567 10467138147481 31401414442443