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31044203402 = 2234724159581
BaseRepresentation
bin11100111010011000…
…001111001110001010
32222010112010221011012
4130322120033032022
51002034304002102
622132253003522
72146206242432
oct347230171612
988115127135
1031044203402
1112190709553
1260247835a2
132c0980b134
141706dc12c2
15c1a63c752
hex73a60f38a

31044203402 has 32 divisors (see below), whose sum is σ = 49831524864. Its totient is φ = 14470790400.

The previous prime is 31044203383. The next prime is 31044203423. The reversal of 31044203402 is 20430244013.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 491252 + ... + 550832.

It is an arithmetic number, because the mean of its divisors is an integer number (1557235152).

Almost surely, 231044203402 is an apocalyptic number.

31044203402 is a deficient number, since it is larger than the sum of its proper divisors (18787321462).

31044203402 is a wasteful number, since it uses less digits than its factorization.

31044203402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59894.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 31044203402 its reverse (20430244013), we get a palindrome (51474447415).

The spelling of 31044203402 in words is "thirty-one billion, forty-four million, two hundred three thousand, four hundred two".

Divisors: 1 2 23 46 47 94 241 482 1081 2162 5543 11086 11327 22654 59581 119162 260521 521042 1370363 2740726 2800307 5600614 14359021 28718042 64407061 128814122 330257483 660514966 674873987 1349747974 15522101701 31044203402