1025142231320 has 32 divisors (see below), whose sum is σ = 2427968444400. Its totient is φ = 388474950528.

The previous prime is 1025142231307. The next prime is 1025142231329. The reversal of 1025142231320 is 231322415201.

It is a self number, because there is not a number n which added to its sum of digits gives 1025142231320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025142231329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674434919 + ... + 674436438.

Almost surely, 2^{1025142231320} is an apocalyptic number.

1025142231320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025142231320 is an abundant number, since it is smaller than the sum of its proper divisors (1402826213080).

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

1025142231320 is a wasteful number, since it uses less digits than its factorization.

1025142231320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348871387 (or 1348871383 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1025142231320 its reverse (231322415201), we get a palindrome (1256464646521).

The spelling of 1025142231320 in words is "one trillion, twenty-five billion, one hundred forty-two million, two hundred thirty-one thousand, three hundred twenty".