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31346665453 = 163387749603
BaseRepresentation
bin11101001100011010…
…000010011111101101
32222220121021121002101
4131030122002133231
51003144221243303
622222255455101
72156541155125
oct351432023755
988817247071
1031346665453
1112326414794
1260a9b27491
132c5738b76c
141735235c85
15c36e85d1d
hex74c6827ed

31346665453 has 8 divisors (see below), whose sum is σ = 31547747168. Its totient is φ = 31145691024.

The previous prime is 31346665423. The next prime is 31346665499. The reversal of 31346665453 is 35456664313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31346665453 - 229 = 30809794541 is a prime.

It is a super-2 number, since 2×313466654532 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31346665423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607150 + ... + 656752.

It is an arithmetic number, because the mean of its divisors is an integer number (3943468396).

Almost surely, 231346665453 is an apocalyptic number.

It is an amenable number.

31346665453 is a deficient number, since it is larger than the sum of its proper divisors (201081715).

31346665453 is a wasteful number, since it uses less digits than its factorization.

31346665453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53643.

The product of its digits is 2332800, while the sum is 46.

The spelling of 31346665453 in words is "thirty-one billion, three hundred forty-six million, six hundred sixty-five thousand, four hundred fifty-three".

Divisors: 1 163 3877 49603 631951 8085289 192310831 31346665453