2203030390981 has 16 divisors (see below), whose sum is σ = 2524710038400. Its totient is φ = 1883091849408.

The previous prime is 2203030390963. The next prime is 2203030390991. The reversal of 2203030390981 is 1890930303022.

It is a happy number.

It is not a de Polignac number, because 2203030390981 - 2⁹ = 2203030390469 is a prime.

It is a super-2 number, since 2×2203030390981² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203030390901) 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, 39839730 + ... + 39894988.

It is an arithmetic number, because the mean of its divisors is an integer number (157794377400).

Almost surely, 2^{2203030390981} is an apocalyptic number.

It is an amenable number.

2203030390981 is a deficient number, since it is larger than the sum of its proper divisors (321679647419).

2203030390981 is a wasteful number, since it uses less digits than its factorization.

2203030390981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70908.

The product of its (nonzero) digits is 69984, while the sum is 40.

The spelling of 2203030390981 in words is "two trillion, two hundred three billion, thirty million, three hundred ninety thousand, nine hundred eighty-one".