1031001051145 has 16 divisors (see below), whose sum is σ = 1332951841872. Its totient is φ = 761022478080.

The previous prime is 1031001051121. The next prime is 1031001051187. The reversal of 1031001051145 is 5411501001301.

It can be written as a sum of positive squares in 8 ways, for example, as 39118510656 + 991882540489 = 197784^2 + 995933^2 .

It is not a de Polignac number, because 1031001051145 - 2²¹ = 1030998953993 is a prime.

It is a super-2 number, since 2×1031001051145² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

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, 3309646 + ... + 3607735.

It is an arithmetic number, because the mean of its divisors is an integer number (83309490117).

Almost surely, 2^{1031001051145} is an apocalyptic number.

It is an amenable number.

1031001051145 is a deficient number, since it is larger than the sum of its proper divisors (301950790727).

1031001051145 is a wasteful number, since it uses less digits than its factorization.

1031001051145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6919692.

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 1031001051145 its reverse (5411501001301), we get a palindrome (6442502052446).

The spelling of 1031001051145 in words is "one trillion, thirty-one billion, one million, fifty-one thousand, one hundred forty-five".