Search a number
-
+
31402020424214 = 21126934915203977
BaseRepresentation
bin1110010001111010110100…
…10001011100101000010110
311010012000002210110201221102
413020331122101130220112
513103442314212033324
6150441520010350102
76420502224354656
oct710753221345026
9133160083421842
1031402020424214
11a007581975a20
123631b0912b332
13146a2757c19bb
147a7c1a04a366
15396c8a4d2dae
hex1c8f5a45ca16

31402020424214 has 32 divisors (see below), whose sum is σ = 51723933156000. Its totient is φ = 14179836176640.

The previous prime is 31402020424183. The next prime is 31402020424223. The reversal of 31402020424214 is 41242402020413.

It is a happy number.

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, 5536607 + ... + 9667370.

It is an arithmetic number, because the mean of its divisors is an integer number (1616372911125).

Almost surely, 231402020424214 is an apocalyptic number.

31402020424214 is a deficient number, since it is larger than the sum of its proper divisors (20321912731786).

31402020424214 is a wasteful number, since it uses less digits than its factorization.

31402020424214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15204608.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 31402020424214 its reverse (41242402020413), we get a palindrome (72644422444627).

The spelling of 31402020424214 in words is "thirty-one trillion, four hundred two billion, twenty million, four hundred twenty-four thousand, two hundred fourteen".

Divisors: 1 2 11 22 269 349 538 698 2959 3839 5918 7678 93881 187762 1032691 2065382 15203977 30407954 167243747 334487494 4089869813 5306187973 8179739626 10612375946 44988567943 58368067703 89977135886 116736135406 1427364564737 2854729129474 15701010212107 31402020424214