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31010313323 = 1116322377557
BaseRepresentation
bin11100111000010110…
…111101010001101011
32222001011101010201002
4130320112331101223
51002002120011243
622125042345215
72145315212513
oct347026752153
988034333632
1031010313323
1112173571420
12601535b20b
132c027a3632
1417026bc843
15c17695eb8
hex7385bd46b

31010313323 has 16 divisors (see below), whose sum is σ = 34190048256. Its totient is φ = 27892239840.

The previous prime is 31010313233. The next prime is 31010313337. The reversal of 31010313323 is 32331301013.

Adding to 31010313323 its reverse (32331301013), we get a palindrome (63341614336).

It is a cyclic number.

It is not a de Polignac number, because 31010313323 - 224 = 30993536107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31010313295 and 31010313304.

It is not an unprimeable number, because it can be changed into a prime (31010313023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361061 + ... + 438617.

It is an arithmetic number, because the mean of its divisors is an integer number (2136878016).

Almost surely, 231010313323 is an apocalyptic number.

31010313323 is a deficient number, since it is larger than the sum of its proper divisors (3179734933).

31010313323 is a wasteful number, since it uses less digits than its factorization.

31010313323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77954.

The product of its (nonzero) digits is 486, while the sum is 20.

The spelling of 31010313323 in words is "thirty-one billion, ten million, three hundred thirteen thousand, three hundred twenty-three".

Divisors: 1 11 163 223 1793 2453 36349 77557 399839 853127 12641791 17295211 139059701 190247321 2819119393 31010313323