1031642542630 has 192 divisors, whose sum is σ = 2214560259072. Its totient is φ = 338836988160.

The previous prime is 1031642542621. The next prime is 1031642542661. The reversal of 1031642542630 is 362452461301.

It is a self number, because there is not a number n which added to its sum of digits gives 1031642542630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2050978959 + ... + 2050979461.

It is an arithmetic number, because the mean of its divisors is an integer number (11534168016).

Almost surely, 2^{1031642542630} is an apocalyptic number.

1031642542630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031642542630 is an abundant number, since it is smaller than the sum of its proper divisors (1182917716442).

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

1031642542630 is a wasteful number, since it uses less digits than its factorization.

1031642542630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 1031642542630 in words is "one trillion, thirty-one billion, six hundred forty-two million, five hundred forty-two thousand, six hundred thirty".