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31240343011124 = 22134191433832523
BaseRepresentation
bin1110001101001101101011…
…00011000011111100110100
311002121112210012220011202202
413012212311203003330310
513043320210302323444
6150235340534324032
76403016552131412
oct706466543037464
9132545705804682
1031240343011124
119a54a56217555
1236067077b9618
131457c4ab86570
147a007d8502b2
1539297665434e
hex1c69b58c3f34

31240343011124 has 24 divisors (see below), whose sum is σ = 59016546687840. Its totient is φ = 14384207860704.

The previous prime is 31240343011121. The next prime is 31240343011151. The reversal of 31240343011124 is 42111034304213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31240343011121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716894474 + ... + 716938049.

It is an arithmetic number, because the mean of its divisors is an integer number (2459022778660).

Almost surely, 231240343011124 is an apocalyptic number.

It is an amenable number.

31240343011124 is a deficient number, since it is larger than the sum of its proper divisors (27776203676716).

31240343011124 is a wasteful number, since it uses less digits than its factorization.

31240343011124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433832959 (or 1433832957 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 31240343011124 its reverse (42111034304213), we get a palindrome (73351377315337).

The spelling of 31240343011124 in words is "thirty-one trillion, two hundred forty billion, three hundred forty-three million, eleven thousand, one hundred twenty-four".

Divisors: 1 2 4 13 26 52 419 838 1676 5447 10894 21788 1433832523 2867665046 5735330092 18639822799 37279645598 74559291196 600775827137 1201551654274 2403103308548 7810085752781 15620171505562 31240343011124