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1031401113 = 3343800371
BaseRepresentation
bin111101011110011…
…110111010011001
32122212202121100020
4331132132322121
54103014313423
6250202301053
734362523221
oct7536367231
92585677306
101031401113
1148a220a16
122494b7789
131358b2b22
149ada3081
15608354e3
hex3d79ee99

1031401113 has 4 divisors (see below), whose sum is σ = 1375201488. Its totient is φ = 687600740.

The previous prime is 1031401103. The next prime is 1031401117. The reversal of 1031401113 is 3111041301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1031401113 - 25 = 1031401081 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1031401092 and 1031401101.

It is not an unprimeable number, because it can be changed into a prime (1031401117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171900183 + ... + 171900188.

It is an arithmetic number, because the mean of its divisors is an integer number (343800372).

Almost surely, 21031401113 is an apocalyptic number.

It is an amenable number.

1031401113 is a deficient number, since it is larger than the sum of its proper divisors (343800375).

1031401113 is an equidigital number, since it uses as much as digits as its factorization.

1031401113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343800374.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1031401113 is about 32115.4341866960. The cubic root of 1031401113 is about 1010.3593509396.

Adding to 1031401113 its reverse (3111041301), we get a palindrome (4142442414).

The spelling of 1031401113 in words is "one billion, thirty-one million, four hundred one thousand, one hundred thirteen".

Divisors: 1 3 343800371 1031401113