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311420355429 = 31710965985009
BaseRepresentation
bin1001000100000100001…
…10011000001101100101
31002202211102100012020010
410202002012120031211
520100242102333204
6355021535000433
731333200226251
oct4420206301545
91082742305203
10311420355429
11110088743377
1250432069119
132349cb73981
1411103b95261
15817a0d2d89
hex4882198365

311420355429 has 32 divisors (see below), whose sum is σ = 444364272000. Its totient is φ = 193312272384.

The previous prime is 311420355341. The next prime is 311420355461. The reversal of 311420355429 is 924553024113.

It is not a de Polignac number, because 311420355429 - 225 = 311386800997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311420355529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3620877 + ... + 3705885.

It is an arithmetic number, because the mean of its divisors is an integer number (13886383500).

Almost surely, 2311420355429 is an apocalyptic number.

It is an amenable number.

311420355429 is a deficient number, since it is larger than the sum of its proper divisors (132943916571).

311420355429 is a wasteful number, since it uses less digits than its factorization.

311420355429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85797.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 311420355429 in words is "three hundred eleven billion, four hundred twenty million, three hundred fifty-five thousand, four hundred twenty-nine".

Divisors: 1 3 17 51 109 327 659 1853 1977 5559 11203 33609 71831 85009 215493 255027 1221127 1445153 3663381 4335459 9265981 27797943 56020931 157521677 168062793 472565031 952355827 2857067481 6106281479 18318844437 103806785143 311420355429