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31144403414302 = 22313938312717701
BaseRepresentation
bin1110001010011010111110…
…00110100010110100011110
311002021101011000121200112221
413011031133012202310132
513040232214233224202
6150123312540015554
76363052231043143
oct705153706426436
9132241130550487
1031144403414302
119a182a3881462
1235abbb18315ba
13144bb9b656b69
1479957bb883ca
1539020db22037
hex1c535f1a2d1e

31144403414302 has 32 divisors (see below), whose sum is σ = 49226663485440. Its totient is φ = 14749378010400.

The previous prime is 31144403414239. The next prime is 31144403414317. The reversal of 31144403414302 is 20341430444113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3909949 + ... + 8807752.

It is an arithmetic number, because the mean of its divisors is an integer number (1538333233920).

Almost surely, 231144403414302 is an apocalyptic number.

31144403414302 is a deficient number, since it is larger than the sum of its proper divisors (18082260071138).

31144403414302 is a wasteful number, since it uses less digits than its factorization.

31144403414302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12718248.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 31144403414302 its reverse (20341430444113), we get a palindrome (51485833858415).

The spelling of 31144403414302 in words is "thirty-one trillion, one hundred forty-four billion, four hundred three million, four hundred fourteen thousand, three hundred two".

Divisors: 1 2 23 46 139 278 383 766 3197 6394 8809 17618 53237 106474 1224451 2448902 12717701 25435402 292507123 585014246 1767760439 3535520878 4870879483 9741758966 40658490097 81316980194 112030228109 224060456218 677052248137 1354104496274 15572201707151 31144403414302