1031142451988 has 48 divisors (see below), whose sum is σ = 1994308150464. Its totient is φ = 462578557440.

The previous prime is 1031142451987. The next prime is 1031142452057. The reversal of 1031142451988 is 8891542411301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031142451987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3423506 + ... + 3712502.

It is an arithmetic number, because the mean of its divisors is an integer number (41548086468).

Almost surely, 2^{1031142451988} is an apocalyptic number.

It is an amenable number.

1031142451988 is a deficient number, since it is larger than the sum of its proper divisors (963165698476).

1031142451988 is a wasteful number, since it uses less digits than its factorization.

1031142451988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290072 (or 290070 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 47.

The spelling of 1031142451988 in words is "one trillion, thirty-one billion, one hundred forty-two million, four hundred fifty-one thousand, nine hundred eighty-eight".