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31303211032132 = 2213601984827541
BaseRepresentation
bin1110001111000010110001…
…10001100001111001000100
311002211120001121011112201021
413013201120301201321010
513100332434011012012
6150324255134240524
76410403515366404
oct707413061417104
9132746047145637
1031303211032132
119a79687611206
123616932056144
131460b598687b0
147a3125192804
15394405a7b007
hex1c7858c61e44

31303211032132 has 12 divisors (see below), whose sum is σ = 58994513099116. Its totient is φ = 14447635860960.

The previous prime is 31303211032129. The next prime is 31303211032141. The reversal of 31303211032132 is 23123011230313.

It can be written as a sum of positive squares in 2 ways, for example, as 16432516119616 + 14870694912516 = 4053704^2 + 3856254^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31303211032097 and 31303211032106.

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, 300992413719 + ... + 300992413822.

Almost surely, 231303211032132 is an apocalyptic number.

It is an amenable number.

31303211032132 is a deficient number, since it is larger than the sum of its proper divisors (27691302066984).

31303211032132 is a wasteful number, since it uses less digits than its factorization.

31303211032132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601984827558 (or 601984827556 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 31303211032132 its reverse (23123011230313), we get a palindrome (54426222262445).

The spelling of 31303211032132 in words is "thirty-one trillion, three hundred three billion, two hundred eleven million, thirty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 13 26 52 601984827541 1203969655082 2407939310164 7825802758033 15651605516066 31303211032132