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31230202434044 = 2282711549817457
BaseRepresentation
bin1110001100111010110010…
…00111110101000111111100
311002120120121111121111010212
413012131121013311013330
513043133423310342134
6150230542410451552
76402210346503635
oct706353107650774
9132516544544125
1031230202434044
119a50722116939
123604757733bb8
131456cc30191b3
1479d79ab7688c
15392581278bce
hex1c67591f51fc

31230202434044 has 24 divisors (see below), whose sum is σ = 54723744860400. Its totient is φ = 15594850078976.

The previous prime is 31230202433939. The next prime is 31230202434059. The reversal of 31230202434044 is 44043420203213.

It is a self number, because there is not a number n which added to its sum of digits gives 31230202434044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37795364 + ... + 38612820.

It is an arithmetic number, because the mean of its divisors is an integer number (2280156035850).

Almost surely, 231230202434044 is an apocalyptic number.

It is an amenable number.

31230202434044 is a deficient number, since it is larger than the sum of its proper divisors (23493542426356).

31230202434044 is a wasteful number, since it uses less digits than its factorization.

31230202434044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829837 (or 829835 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 31230202434044 its reverse (44043420203213), we get a palindrome (75273622637257).

The spelling of 31230202434044 in words is "thirty-one trillion, two hundred thirty billion, two hundred two million, four hundred thirty-four thousand, forty-four".

Divisors: 1 2 4 827 1654 3308 11549 23098 46196 817457 1634914 3269828 9551023 19102046 38204092 676036939 1352073878 2704147756 9440810893 18881621786 37763243572 7807550608511 15615101217022 31230202434044