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1031030404 = 221420718143
BaseRepresentation
bin111101011101000…
…100011010000100
32122212001202211021
4331131010122010
54102420433104
6250150320524
734356420355
oct7535043204
92585052737
101031030404
11489a98448
12249359144
131357b3181
149ad07d2c
15607b0754
hex3d744684

1031030404 has 12 divisors (see below), whose sum is σ = 1804529664. Its totient is φ = 515450504.

The previous prime is 1031030401. The next prime is 1031030423. The reversal of 1031030404 is 4040301301.

It is not an unprimeable number, because it can be changed into a prime (1031030401) 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, 47757 + ... + 65899.

It is an arithmetic number, because the mean of its divisors is an integer number (150377472).

Almost surely, 21031030404 is an apocalyptic number.

It is an amenable number.

1031030404 is a deficient number, since it is larger than the sum of its proper divisors (773499260).

1031030404 is a wasteful number, since it uses less digits than its factorization.

1031030404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32354 (or 32352 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1031030404 is about 32109.6621595432. The cubic root of 1031030404 is about 1010.2382877299.

Adding to 1031030404 its reverse (4040301301), we get a palindrome (5071331705).

The spelling of 1031030404 in words is "one billion, thirty-one million, thirty thousand, four hundred four".

Divisors: 1 2 4 14207 18143 28414 36286 56828 72572 257757601 515515202 1031030404