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1030102210031 = 8115387235783
BaseRepresentation
bin11101111110101101110…
…00000101010111101111
310122110212121001010122212
432333112320011113233
5113334122131210111
62105120013201035
7134264615213216
oct16772670052757
93573777033585
101030102210031
1136795592a924
1214778319017b
13761a489933b
1437c0029a07d
151bbde32e98b
hexefd6e055ef

1030102210031 has 8 divisors (see below), whose sum is σ = 1031568203904. Its totient is φ = 1028636700120.

The previous prime is 1030102210013. The next prime is 1030102210057. The reversal of 1030102210031 is 1300122010301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1030102210031 - 234 = 1012922340847 is a prime.

It is a super-2 number, since 2×10301022100312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030102209988 and 1030102210015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030102210231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4250966 + ... + 4486748.

It is an arithmetic number, because the mean of its divisors is an integer number (128946025488).

Almost surely, 21030102210031 is an apocalyptic number.

1030102210031 is a deficient number, since it is larger than the sum of its proper divisors (1465993873).

1030102210031 is an equidigital number, since it uses as much as digits as its factorization.

1030102210031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241981.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1030102210031 its reverse (1300122010301), we get a palindrome (2330224220332).

The spelling of 1030102210031 in words is "one trillion, thirty billion, one hundred two million, two hundred ten thousand, thirty-one".

Divisors: 1 811 5387 235783 4368857 191220013 1270163021 1030102210031