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1030103112031 = 71797949103423
BaseRepresentation
bin11101111110101101110…
…11100001100101011111
310122110212122201221222021
432333112323201211133
5113334122344041111
62105120044401011
7134264625661030
oct16772673414537
93573778657867
101030103112031
11367956396584
12147783546167
13761a4b23a76
1437c00452a87
151bbde45bd71
hexefd6ee195f

1030103112031 has 16 divisors (see below), whose sum is σ = 1183997952000. Its totient is φ = 877893923808.

The previous prime is 1030103112011. The next prime is 1030103112037. The reversal of 1030103112031 is 1302113010301.

It is a cyclic number.

It is not a de Polignac number, because 1030103112031 - 27 = 1030103111903 is a prime.

It is a super-2 number, since 2×10301031120312 (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 = 1030103111996 and 1030103112014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030103112037) 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, 9908386 + ... + 10011808.

It is an arithmetic number, because the mean of its divisors is an integer number (73999872000).

Almost surely, 21030103112031 is an apocalyptic number.

1030103112031 is a deficient number, since it is larger than the sum of its proper divisors (153894839969).

1030103112031 is a wasteful number, since it uses less digits than its factorization.

1030103112031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111558.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1030103112031 its reverse (1302113010301), we get a palindrome (2332216122332).

The spelling of 1030103112031 in words is "one trillion, thirty billion, one hundred three million, one hundred twelve thousand, thirty-one".

Divisors: 1 7 179 1253 7949 55643 103423 723961 1422871 9960097 18512717 129589019 822109427 5754765989 147157587433 1030103112031