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31322042124 = 22322311704799
BaseRepresentation
bin11101001010111100…
…000110111100001100
32222211212221121020020
4131022330012330030
51003121420321444
622220020022140
72156121652032
oct351274067414
988755847206
1031322042124
111231352692a
1260a1831950
132c52249b49
141731c66552
15c34c20119
hex74af06f0c

31322042124 has 24 divisors (see below), whose sum is σ = 73412505600. Its totient is φ = 10393860624.

The previous prime is 31322042107. The next prime is 31322042149. The reversal of 31322042124 is 42124022313.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31322042094 and 31322042103.

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, 5849724 + ... + 5855075.

It is an arithmetic number, because the mean of its divisors is an integer number (3058854400).

Almost surely, 231322042124 is an apocalyptic number.

It is an amenable number.

31322042124 is an abundant number, since it is smaller than the sum of its proper divisors (42090463476).

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

31322042124 is a wasteful number, since it uses less digits than its factorization.

31322042124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11705029 (or 11705027 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 31322042124 its reverse (42124022313), we get a palindrome (73446064437).

The spelling of 31322042124 in words is "thirty-one billion, three hundred twenty-two million, forty-two thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 223 446 669 892 1338 2676 11704799 23409598 35114397 46819196 70228794 140457588 2610170177 5220340354 7830510531 10440680708 15661021062 31322042124