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31201412141 = 1019202915091
BaseRepresentation
bin11101000011101111…
…111100010000101101
32222112110221222000002
4131003233330100231
51002400030142031
622200030314045
72153125425104
oct350357742055
988473858002
1031201412141
1112261424829
126069358925
132c33262263
14171dc2503b
15c29342ccb
hex743bfc42d

31201412141 has 8 divisors (see below), whose sum is σ = 31249495200. Its totient is φ = 31153365360.

The previous prime is 31201412119. The next prime is 31201412147. The reversal of 31201412141 is 14121410213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31201412141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31201412147) 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, 2060006 + ... + 2075096.

It is an arithmetic number, because the mean of its divisors is an integer number (3906186900).

Almost surely, 231201412141 is an apocalyptic number.

It is an amenable number.

31201412141 is a deficient number, since it is larger than the sum of its proper divisors (48083059).

31201412141 is a wasteful number, since it uses less digits than its factorization.

31201412141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18139.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 31201412141 its reverse (14121410213), we get a palindrome (45322822354).

The spelling of 31201412141 in words is "thirty-one billion, two hundred one million, four hundred twelve thousand, one hundred forty-one".

Divisors: 1 1019 2029 15091 2067551 15377729 30619639 31201412141