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1022104031 = 13194138073
BaseRepresentation
bin111100111011000…
…001000111011111
32122020021021010212
4330323001013133
54043124312111
6245231123035
734220512064
oct7473010737
92566237125
101022104031
11484a50983
1224637347b
131339a91b0
1499a62c6b
155eaea98b
hex3cec11df

1022104031 has 8 divisors (see below), whose sum is σ = 1158660720. Its totient is φ = 893823552.

The previous prime is 1022103997. The next prime is 1022104033. The reversal of 1022104031 is 1304012201.

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 1022104031 - 222 = 1017909727 is a prime.

It is a super-2 number, since 2×10221040312 = 2089393300372897922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022103997 and 1022104015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022104033) 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, 2068790 + ... + 2069283.

It is an arithmetic number, because the mean of its divisors is an integer number (144832590).

Almost surely, 21022104031 is an apocalyptic number.

1022104031 is a deficient number, since it is larger than the sum of its proper divisors (136556689).

1022104031 is a wasteful number, since it uses less digits than its factorization.

1022104031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138105.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1022104031 is about 31970.3617589792. The cubic root of 1022104031 is about 1007.3143797422.

Adding to 1022104031 its reverse (1304012201), we get a palindrome (2326116232).

The spelling of 1022104031 in words is "one billion, twenty-two million, one hundred four thousand, thirty-one".

Divisors: 1 13 19 247 4138073 53794949 78623387 1022104031