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1031043400121 = 71181124717963
BaseRepresentation
bin11110000000011101111…
…10011100000110111001
310122120022012001112202002
433000032332130012321
5113343034102300441
62105353234150345
7134330134204520
oct17001676340671
93576265045662
101031043400121
11368299135979
121479a64223b5
13762c4885157
1437c8d2994b7
151bc46c95b9b
hexf00ef9c1b9

1031043400121 has 8 divisors (see below), whose sum is σ = 1179333067584. Its totient is φ = 883003170960.

The previous prime is 1031043400103. The next prime is 1031043400139. The reversal of 1031043400121 is 1210043401301.

It is an interprime number because it is at equal distance from previous prime (1031043400103) and next prime (1031043400139).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1031043400121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1031043400093 and 1031043400102.

It is not an unprimeable number, because it can be changed into a prime (1031043400421) 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, 62350715 + ... + 62367248.

It is an arithmetic number, because the mean of its divisors is an integer number (147416633448).

Almost surely, 21031043400121 is an apocalyptic number.

It is an amenable number.

1031043400121 is a deficient number, since it is larger than the sum of its proper divisors (148289667463).

1031043400121 is a wasteful number, since it uses less digits than its factorization.

1031043400121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124719151.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1031043400121 its reverse (1210043401301), we get a palindrome (2241086801422).

The spelling of 1031043400121 in words is "one trillion, thirty-one billion, forty-three million, four hundred thousand, one hundred twenty-one".

Divisors: 1 7 1181 8267 124717963 873025741 147291914303 1031043400121