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1030103111021 = 26333111833057
BaseRepresentation
bin11101111110101101110…
…11100001010101101101
310122110212122201220120212
432333112323201111231
5113334122344023041
62105120044352205
7134264625655055
oct16772673412555
93573778656525
101030103111021
11367956395846
12147783545665
13761a4b2347a
1437c00452565
151bbde45b8eb
hexefd6ee156d

1030103111021 has 8 divisors (see below), whose sum is σ = 1037143867584. Its totient is φ = 1023086021760.

The previous prime is 1030103110969. The next prime is 1030103111069. The reversal of 1030103111021 is 1201113010301.

It is a happy number.

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 1030103111021 - 214 = 1030103094637 is a prime.

It is a super-2 number, since 2×10301031110212 (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 = 1030103110987 and 1030103111005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030103113021) 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, 5829476 + ... + 6003581.

It is an arithmetic number, because the mean of its divisors is an integer number (129642983448).

Almost surely, 21030103111021 is an apocalyptic number.

It is an amenable number.

1030103111021 is a deficient number, since it is larger than the sum of its proper divisors (7040756563).

1030103111021 is a wasteful number, since it uses less digits than its factorization.

1030103111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11833651.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1030103111021 its reverse (1201113010301), we get a palindrome (2231216121322).

The spelling of 1030103111021 in words is "one trillion, thirty billion, one hundred three million, one hundred eleven thousand, twenty-one".

Divisors: 1 263 331 87053 11833057 3112093991 3916741867 1030103111021