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31300022030 = 2531190153113
BaseRepresentation
bin11101001001101000…
…000110111100001110
32222210100111212100012
4131021220012330032
51003100301201110
622213512033222
72155433540354
oct351150067416
988710455305
1031300022030
1112302056902
126096392812
132c4a80a0c4
14172cd737d4
15c32d20905
hex749a06f0e

31300022030 has 32 divisors (see below), whose sum is σ = 58189148928. Its totient is φ = 12109536000.

The previous prime is 31300022023. The next prime is 31300022041. The reversal of 31300022030 is 3022000313.

It is a junction number, because it is equal to n+sod(n) for n = 31300021996 and 31300022014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562754 + ... + 615866.

It is an arithmetic number, because the mean of its divisors is an integer number (1818410904).

Almost surely, 231300022030 is an apocalyptic number.

31300022030 is a deficient number, since it is larger than the sum of its proper divisors (26889126898).

31300022030 is a wasteful number, since it uses less digits than its factorization.

31300022030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55052.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 31300022030 its reverse (3022000313), we get a palindrome (34322022343).

The spelling of 31300022030 in words is "thirty-one billion, three hundred million, twenty-two thousand, thirty".

Divisors: 1 2 5 10 31 62 155 310 1901 3802 9505 19010 53113 58931 106226 117862 265565 294655 531130 589310 1646503 3293006 8232515 16465030 100967813 201935626 504839065 1009678130 3130002203 6260004406 15650011015 31300022030