1023131570 has 32 divisors (see below), whose sum is σ = 2052604800. Its totient is φ = 364905216.

The previous prime is 1023131521. The next prime is 1023131581. The reversal of 1023131570 is 751313201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155150 + ... + 161609.

It is an arithmetic number, because the mean of its divisors is an integer number (64143900).

Almost surely, 2^1023131570 is an apocalyptic number.

1023131570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1023131570 is an abundant number, since it is smaller than the sum of its proper divisors (1029473230).

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

1023131570 is a wasteful number, since it uses less digits than its factorization.

1023131570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316802.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 1023131570 is about 31986.4279030967. The cubic root of 1023131570 is about 1007.6518235900.

Adding to 1023131570 its reverse (751313201), we get a palindrome (1774444771).

The spelling of 1023131570 in words is "one billion, twenty-three million, one hundred thirty-one thousand, five hundred seventy".