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31030212203132 = 227757553050783
BaseRepresentation
bin1110000111000110010001…
…10001101001001001111100
311001212110101211201010022112
413003203020301221021330
513031344333311000012
6145555025510033152
76351600404545142
oct703431061511174
9131773354633275
1031030212203132
11998392591836a
123591a433487b8
1314411a0a3a75c
14793c280b9592
1538c278ad4122
hex1c38c8c6927c

31030212203132 has 6 divisors (see below), whose sum is σ = 54302871355488. Its totient is φ = 15515106101564.

The previous prime is 31030212203113. The next prime is 31030212203167. The reversal of 31030212203132 is 23130221203013.

It is a junction number, because it is equal to n+sod(n) for n = 31030212203098 and 31030212203107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3878776525388 + ... + 3878776525395.

It is an arithmetic number, because the mean of its divisors is an integer number (9050478559248).

Almost surely, 231030212203132 is an apocalyptic number.

It is an amenable number.

31030212203132 is a deficient number, since it is larger than the sum of its proper divisors (23272659152356).

31030212203132 is a wasteful number, since it uses less digits than its factorization.

31030212203132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7757553050787 (or 7757553050785 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 31030212203132 its reverse (23130221203013), we get a palindrome (54160433406145).

The spelling of 31030212203132 in words is "thirty-one trillion, thirty billion, two hundred twelve million, two hundred three thousand, one hundred thirty-two".

Divisors: 1 2 4 7757553050783 15515106101566 31030212203132