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1030231100 = 225279130409
BaseRepresentation
bin111101011010000…
…001010000111100
32122210120011101102
4331122001100330
54102214343400
6250121232232
734346551133
oct7532012074
92583504342
101030231100
114895a1968
12249032678
13135593402
149ab7a91a
15606a39d5
hex3d68143c

1030231100 has 36 divisors (see below), whose sum is σ = 2263917600. Its totient is φ = 406872960.

The previous prime is 1030231079. The next prime is 1030231121. The reversal of 1030231100 is 11320301.

It is an interprime number because it is at equal distance from previous prime (1030231079) and next prime (1030231121).

It is a super-2 number, since 2×10302311002 = 2122752238814420000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57305 + ... + 73104.

It is an arithmetic number, because the mean of its divisors is an integer number (62886600).

Almost surely, 21030231100 is an apocalyptic number.

1030231100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030231100 is an abundant number, since it is smaller than the sum of its proper divisors (1233686500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1030231100 is a wasteful number, since it uses less digits than its factorization.

1030231100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130502 (or 130495 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1030231100 is about 32097.2132746754. The cubic root of 1030231100 is about 1009.9771585855.

Adding to 1030231100 its reverse (11320301), we get a palindrome (1041551401).

The spelling of 1030231100 in words is "one billion, thirty million, two hundred thirty-one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 79 100 158 316 395 790 1580 1975 3950 7900 130409 260818 521636 652045 1304090 2608180 3260225 6520450 10302311 13040900 20604622 41209244 51511555 103023110 206046220 257557775 515115550 1030231100