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31330311034 = 2113375218111
BaseRepresentation
bin11101001011011011…
…101001101101111010
32222212110111201001011
4131023123221231322
51003131024423114
622220513144134
72156252151451
oct351333515572
988773451034
1031330311034
1112318164440
1260a455b04a
132c53b837a9
141732db9b98
15c358051c4
hex74b6e9b7a

31330311034 has 32 divisors (see below), whose sum is σ = 51524957952. Its totient is φ = 14169792000.

The previous prime is 31330311013. The next prime is 31330311049. The reversal of 31330311034 is 43011303313.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 31330310996 and 31330311014.

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, 3858639 + ... + 3866749.

It is an arithmetic number, because the mean of its divisors is an integer number (1610154936).

Almost surely, 231330311034 is an apocalyptic number.

31330311034 is a deficient number, since it is larger than the sum of its proper divisors (20194646918).

31330311034 is a wasteful number, since it uses less digits than its factorization.

31330311034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8982.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 31330311034 its reverse (43011303313), we get a palindrome (74341614347).

The spelling of 31330311034 in words is "thirty-one billion, three hundred thirty million, three hundred eleven thousand, thirty-four".

Divisors: 1 2 11 22 337 521 674 1042 3707 5731 7414 8111 11462 16222 89221 175577 178442 351154 1931347 2733407 3862694 4225831 5466814 8451662 30067477 46484141 60134954 92968282 1424105047 2848210094 15665155517 31330311034