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31301001032 = 237558946447
BaseRepresentation
bin11101001001101011…
…110101111101001000
32222210102100121021112
4131021223311331020
51003101024013112
622213545025452
72155445055530
oct351153657510
988712317245
1031301001032
11123026653a4
126096785288
132c4aa908b2
14172d14a4c0
15c32e65a22
hex749af5f48

31301001032 has 16 divisors (see below), whose sum is σ = 67073573760. Its totient is φ = 13414714704.

The previous prime is 31301001029. The next prime is 31301001059. The reversal of 31301001032 is 23010010313.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 31301000998 and 31301001016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279473168 + ... + 279473279.

It is an arithmetic number, because the mean of its divisors is an integer number (4192098360).

Almost surely, 231301001032 is an apocalyptic number.

It is an amenable number.

31301001032 is an abundant number, since it is smaller than the sum of its proper divisors (35772572728).

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

31301001032 is a wasteful number, since it uses less digits than its factorization.

31301001032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558946460 (or 558946456 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 31301001032 its reverse (23010010313), we get a palindrome (54311011345).

The spelling of 31301001032 in words is "thirty-one billion, three hundred one million, one thousand, thirty-two".

Divisors: 1 2 4 7 8 14 28 56 558946447 1117892894 2235785788 3912625129 4471571576 7825250258 15650500516 31301001032