1021030131 has 16 divisors (see below), whose sum is σ = 1489557888. Its totient is φ = 616963200.

The previous prime is 1021030121. The next prime is 1021030177. The reversal of 1021030131 is 1310301201.

It is not a de Polignac number, because 1021030131 - 2⁶ = 1021030067 is a prime.

It is a super-2 number, since 2×1021030131² = 2085005056819754322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1021030121) 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, 34785 + ... + 57026.

It is an arithmetic number, because the mean of its divisors is an integer number (93097368).

Almost surely, 2^1021030131 is an apocalyptic number.

1021030131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1021030131 is a deficient number, since it is larger than the sum of its proper divisors (468527757).

1021030131 is a wasteful number, since it uses less digits than its factorization.

1021030131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92162.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1021030131 is about 31953.5621019003. The cubic root of 1021030131 is about 1006.9614691581.

Adding to 1021030131 its reverse (1310301201), we get a palindrome (2331331332).

The spelling of 1021030131 in words is "one billion, twenty-one million, thirty thousand, one hundred thirty-one".