1031423652 has 96 divisors (see below), whose sum is σ = 3072339200. Its totient is φ = 293124096.

The previous prime is 1031423647. The next prime is 1031423689. The reversal of 1031423652 is 2563241301.

1031423652 is a `hidden beast` number, since 1 + 0 + 3 + 1 + 4 + 2 + 3 + 652 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142374 + ... + 149442.

Almost surely, 2^1031423652 is an apocalyptic number.

1031423652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031423652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1536169600).

1031423652 is an abundant number, since it is smaller than the sum of its proper divisors (2040915548).

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

1031423652 is a wasteful number, since it uses less digits than its factorization.

1031423652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7282 (or 7274 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1031423652 is about 32115.7850908241. The cubic root of 1031423652 is about 1010.3667106122.

Adding to 1031423652 its reverse (2563241301), we get a palindrome (3594664953).

The spelling of 1031423652 in words is "one billion, thirty-one million, four hundred twenty-three thousand, six hundred fifty-two".