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31031341044 = 223112191124813
BaseRepresentation
bin11100111001100111…
…001010111111110100
32222002121221110022120
4130321213022333310
51002023010403134
622131113155540
72145662022024
oct347147127764
988077843276
1031031341044
1112184423900
1260203bbbb0
132c06c56782
1417053d3a84
15c1944b649
hex7399caff4

31031341044 has 72 divisors (see below), whose sum is σ = 83776146720. Its totient is φ = 8908511040.

The previous prime is 31031341007. The next prime is 31031341067. The reversal of 31031341044 is 44014313013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 534819 + ... + 589994.

Almost surely, 231031341044 is an apocalyptic number.

It is an amenable number.

31031341044 is an abundant number, since it is smaller than the sum of its proper divisors (52744805676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31031341044 is a wasteful number, since it uses less digits than its factorization.

31031341044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124861 (or 1124848 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31031341044 its reverse (44014313013), we get a palindrome (75045654057).

The spelling of 31031341044 in words is "thirty-one billion, thirty-one million, three hundred forty-one thousand, forty-four".

Divisors: 1 2 3 4 6 11 12 19 22 33 38 44 57 66 76 114 121 132 209 228 242 363 418 484 627 726 836 1254 1452 2299 2508 4598 6897 9196 13794 27588 1124813 2249626 3374439 4499252 6748878 12372943 13497756 21371447 24745886 37118829 42742894 49491772 64114341 74237658 85485788 128228682 136102373 148475316 235085917 256457364 272204746 408307119 470171834 544409492 705257751 816614238 940343668 1410515502 1633228476 2585945087 2821031004 5171890174 7757835261 10343780348 15515670522 31031341044