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31240342112410 = 2529112069961241
BaseRepresentation
bin1110001101001101101010…
…11111101000100010011010
311002121112210011012111222001
413012212311133220202122
513043320210040044120
6150235340503151214
76403016541366304
oct706466537504232
9132545704174861
1031240342112410
119a54a55763312
12360670744550a
131457c4a930492
147a007d698974
15392976527e0a
hex1c69b57e889a

31240342112410 has 32 divisors (see below), whose sum is σ = 58172251107600. Its totient is φ = 12065115363840.

The previous prime is 31240342112393. The next prime is 31240342112417. The reversal of 31240342112410 is 1421124304213.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 23708923610761 + 7531418501649 = 4869181^2 + 2744343^2 .

It is not an unprimeable number, because it can be changed into a prime (31240342112417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32019390 + ... + 32980630.

Almost surely, 231240342112410 is an apocalyptic number.

31240342112410 is a deficient number, since it is larger than the sum of its proper divisors (26931908995190).

31240342112410 is a wasteful number, since it uses less digits than its factorization.

31240342112410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073346.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 31240342112410 its reverse (1421124304213), we get a palindrome (32661466416623).

The spelling of 31240342112410 in words is "thirty-one trillion, two hundred forty billion, three hundred forty-two million, one hundred twelve thousand, four hundred ten".

Divisors: 1 2 5 10 29 58 145 290 112069 224138 560345 961241 1120690 1922482 3250001 4806205 6500002 9612410 16250005 27875989 32500010 55751978 139379945 278759890 107725317629 215450635258 538626588145 1077253176290 3124034211241 6248068422482 15620171056205 31240342112410